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40974879 = 3111773039
BaseRepresentation
bin1001110001001…
…1101000011111
32212002201222010
42130103220133
540442144004
64022122303
71005165201
oct234235037
985081863
1040974879
1121147040
1211880393
1386484ba
145628771
1538e5a89
hex2713a1f

40974879 has 16 divisors (see below), whose sum is σ = 63106560. Its totient is φ = 23372160.

The previous prime is 40974863. The next prime is 40974889. The reversal of 40974879 is 97847904.

It is a happy number.

It is not a de Polignac number, because 40974879 - 24 = 40974863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40974809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35959 + ... + 37080.

It is an arithmetic number, because the mean of its divisors is an integer number (3944160).

Almost surely, 240974879 is an apocalyptic number.

40974879 is a deficient number, since it is larger than the sum of its proper divisors (22131681).

40974879 is a wasteful number, since it uses less digits than its factorization.

40974879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73070.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 40974879 is about 6401.1623163297. The cubic root of 40974879 is about 344.7512847190.

The spelling of 40974879 in words is "forty million, nine hundred seventy-four thousand, eight hundred seventy-nine".

Divisors: 1 3 11 17 33 51 187 561 73039 219117 803429 1241663 2410287 3724989 13658293 40974879