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40940868 = 2233411739
BaseRepresentation
bin1001110000101…
…1010101000100
32212001000022110
42130023111010
540440101433
64021301020
71004664063
oct234132504
985030273
1040940868
1121123531
1211864770
138635b87
14561a1da
1538da963
hex270b544

40940868 has 12 divisors (see below), whose sum is σ = 95528720. Its totient is φ = 13646952.

The previous prime is 40940843. The next prime is 40940891. The reversal of 40940868 is 86804904.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1705858 + ... + 1705881.

Almost surely, 240940868 is an apocalyptic number.

It is an amenable number.

40940868 is an abundant number, since it is smaller than the sum of its proper divisors (54587852).

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

40940868 is a wasteful number, since it uses less digits than its factorization.

40940868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411746 (or 3411744 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 40940868 is about 6398.5051379209. The cubic root of 40940868 is about 344.6558719367.

The spelling of 40940868 in words is "forty million, nine hundred forty thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 3411739 6823478 10235217 13646956 20470434 40940868