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2740357494 = 234723293623
BaseRepresentation
bin1010001101010110…
…1000100101110110
321001222110120210000
42203111220211312
521103012414434
61131531212130
7124623440310
oct24325504566
97058416700
102740357494
111186951166
126458a7046
13348976c14
141bdd3a7b0
151108a7b99
hexa3568976

2740357494 has 160 divisors (see below), whose sum is σ = 7577349120. Its totient is φ = 722893248.

The previous prime is 2740357493. The next prime is 2740357511. The reversal of 2740357494 is 4947530472.

2740357494 is a `hidden beast` number, since 2 + 74 + 0 + 3 + 574 + 9 + 4 = 666.

2740357494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740357493) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 754567 + ... + 758189.

It is an arithmetic number, because the mean of its divisors is an integer number (47358432).

Almost surely, 22740357494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2740357494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3788674560).

2740357494 is an abundant number, since it is smaller than the sum of its proper divisors (4836991626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2740357494 is a wasteful number, since it uses less digits than its factorization.

2740357494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696 (or 3687 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The square root of 2740357494 is about 52348.4239877382. The cubic root of 2740357494 is about 1399.3802518826.

The spelling of 2740357494 in words is "two billion, seven hundred forty million, three hundred fifty-seven thousand, four hundred ninety-four".

Divisors: 1 2 3 6 7 9 14 18 21 23 27 29 42 46 54 58 63 69 81 87 126 138 161 162 174 189 203 207 261 322 378 406 414 483 522 567 609 621 667 783 966 1134 1218 1242 1334 1449 1566 1827 1863 2001 2349 2898 3623 3654 3726 4002 4347 4669 4698 5481 6003 7246 8694 9338 10869 10962 12006 13041 14007 16443 18009 21738 25361 26082 28014 32607 32886 36018 42021 50722 54027 65214 76083 83329 84042 97821 105067 108054 126063 152166 166658 195642 210134 228249 249987 252126 293463 315201 378189 456498 499974 583303 586926 630402 684747 735469 749961 756378 945603 1166606 1369494 1470938 1499922 1749909 1891206 2054241 2206407 2249883 2416541 2836809 3499818 4108482 4412814 4499766 4833082 5249727 5673618 6619221 6749649 7249623 8510427 10499454 13238442 13499298 14499246 15749181 16915787 17020854 19857663 21748869 31498362 33831574 39715326 43497738 47247543 50747361 59572989 65246607 94495086 101494722 119145978 130493214 152242083 195739821 304484166 391479642 456726249 913452498 1370178747 2740357494