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2744706140 = 2251112475937
BaseRepresentation
bin1010001110011000…
…1110010001011100
321002021122111222222
42203212032101130
521110121044030
61132204324512
7125005421501
oct24346162134
97067574888
102744706140
111189351390
12647243738
1334983a397
141c074d4a8
15110e663e5
hexa398e45c

2744706140 has 24 divisors (see below), whose sum is σ = 6287872752. Its totient is φ = 998074880.

The previous prime is 2744706109. The next prime is 2744706229. The reversal of 2744706140 is 416074472.

It is a self number, because there is not a number n which added to its sum of digits gives 2744706140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6237749 + ... + 6238188.

It is an arithmetic number, because the mean of its divisors is an integer number (261994698).

Almost surely, 22744706140 is an apocalyptic number.

2744706140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2744706140 is an abundant number, since it is smaller than the sum of its proper divisors (3543166612).

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

2744706140 is a wasteful number, since it uses less digits than its factorization.

2744706140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12475957 (or 12475955 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 2744706140 is about 52389.9431188849. The cubic root of 2744706140 is about 1400.1200815367.

The spelling of 2744706140 in words is "two billion, seven hundred forty-four million, seven hundred six thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 12475937 24951874 49903748 62379685 124759370 137235307 249518740 274470614 548941228 686176535 1372353070 2744706140