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40864974 = 23172317419
BaseRepresentation
bin1001101111100…
…0110011001110
32211220011012120
42123320303032
540430134344
64015513410
71004226603
oct233706316
984804176
1040864974
1121081507
1211828866
13860a477
1455da6aa
1538c3219
hex26f8cce

40864974 has 32 divisors (see below), whose sum is σ = 90305280. Its totient is φ = 12262272.

The previous prime is 40864963. The next prime is 40865009. The reversal of 40864974 is 47946804.

It is a super-2 number, since 2×408649742 = 3339892200041352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6364 + ... + 11055.

It is an arithmetic number, because the mean of its divisors is an integer number (2822040).

Almost surely, 240864974 is an apocalyptic number.

40864974 is an abundant number, since it is smaller than the sum of its proper divisors (49440306).

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

40864974 is a wasteful number, since it uses less digits than its factorization.

40864974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17464.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 40864974 is about 6392.5717829368. The cubic root of 40864974 is about 344.4427719732.

The spelling of 40864974 in words is "forty million, eight hundred sixty-four thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 17 23 34 46 51 69 102 138 391 782 1173 2346 17419 34838 52257 104514 296123 400637 592246 801274 888369 1201911 1776738 2403822 6810829 13621658 20432487 40864974