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40931874 = 2322273993
BaseRepresentation
bin1001110000100…
…1001000100010
32212000112222100
42130021020202
540434304444
64021151230
71004625624
oct234111042
985015870
1040931874
11211177a5
121185b516
138631a59
145616c14
1538d7e69
hex2709222

40931874 has 12 divisors (see below), whose sum is σ = 88685766. Its totient is φ = 13643952.

The previous prime is 40931861. The next prime is 40931893. The reversal of 40931874 is 47813904.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26163225 + 14768649 = 5115^2 + 3843^2 .

It is a super-3 number, since 3×409318743 (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1136979 + ... + 1137014.

Almost surely, 240931874 is an apocalyptic number.

40931874 is an abundant number, since it is smaller than the sum of its proper divisors (47753892).

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

40931874 is a wasteful number, since it uses less digits than its factorization.

40931874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274001 (or 2273998 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 40931874 is about 6397.8022789080. The cubic root of 40931874 is about 344.6306317786.

The spelling of 40931874 in words is "forty million, nine hundred thirty-one thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 9 18 2273993 4547986 6821979 13643958 20465937 40931874