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40718934 = 2323172973
BaseRepresentation
bin1001101101010…
…1001001010110
32211121201212200
42123111021112
540411001214
64012425330
71003051044
oct233251126
984551780
1040718934
1120a91813
1211778246
138588b59
14559d394
153894d09
hex26d5256

40718934 has 24 divisors (see below), whose sum is σ = 91071552. Its totient is φ = 13134960.

The previous prime is 40718933. The next prime is 40718959. The reversal of 40718934 is 43981704.

It is a happy number.

40718934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40718933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35929 + ... + 37044.

It is an arithmetic number, because the mean of its divisors is an integer number (3794648).

Almost surely, 240718934 is an apocalyptic number.

40718934 is an abundant number, since it is smaller than the sum of its proper divisors (50352618).

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

40718934 is a wasteful number, since it uses less digits than its factorization.

40718934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73012 (or 73009 counting only the distinct ones).

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

The square root of 40718934 is about 6381.1389265554. The cubic root of 40718934 is about 344.0319681396.

The spelling of 40718934 in words is "forty million, seven hundred eighteen thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 72973 145946 218919 437838 656757 1313514 2262163 4524326 6786489 13572978 20359467 40718934