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40860137 = 47985303
BaseRepresentation
bin1001101111011…
…1100111101001
32211212220120102
42123313213221
540430011022
64015435145
71004206523
oct233674751
984786512
1040860137
112107890a
1211825ab5
1386081c6
1455d8a13
1538c1a92
hex26f79e9

40860137 has 4 divisors (see below), whose sum is σ = 40945920. Its totient is φ = 40774356.

The previous prime is 40860133. The next prime is 40860181. The reversal of 40860137 is 73106804.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40860137 - 22 = 40860133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40860133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42173 + ... + 43130.

It is an arithmetic number, because the mean of its divisors is an integer number (10236480).

Almost surely, 240860137 is an apocalyptic number.

It is an amenable number.

40860137 is a deficient number, since it is larger than the sum of its proper divisors (85783).

40860137 is an equidigital number, since it uses as much as digits as its factorization.

40860137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85782.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 40860137 is about 6392.1934420041. The cubic root of 40860137 is about 344.4291813987.

The spelling of 40860137 in words is "forty million, eight hundred sixty thousand, one hundred thirty-seven".

Divisors: 1 479 85303 40860137