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418028742 = 23317659691
BaseRepresentation
bin11000111010101…
…001110011000110
31002010121001122000
4120322221303012
51324003404432
6105251450130
713234120455
oct3072516306
91063531560
10418028742
111a4a6a1aa
12b7bb6946
13687b46b1
143d738b9c
1526a7557c
hex18ea9cc6

418028742 has 64 divisors (see below), whose sum is σ = 986515200. Its totient is φ = 130757760.

The previous prime is 418028711. The next prime is 418028761. The reversal of 418028742 is 247820814.

It is a junction number, because it is equal to n+sod(n) for n = 418028697 and 418028706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 604617 + ... + 605307.

It is an arithmetic number, because the mean of its divisors is an integer number (15414300).

Almost surely, 2418028742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 418028742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493257600).

418028742 is an abundant number, since it is smaller than the sum of its proper divisors (568486458).

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

418028742 is a wasteful number, since it uses less digits than its factorization.

418028742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 418028742 is about 20445.7511967646. The cubic root of 418028742 is about 747.7137739754.

The spelling of 418028742 in words is "four hundred eighteen million, twenty-eight thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 102 153 306 459 659 691 918 1318 1382 1977 2073 3954 4146 5931 6219 11203 11747 11862 12438 17793 18657 22406 23494 33609 35241 35586 37314 67218 70482 100827 105723 201654 211446 302481 317169 455369 604962 634338 910738 1366107 2732214 4098321 7741273 8196642 12294963 15482546 23223819 24589926 46447638 69671457 139342914 209014371 418028742