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40860977 = 1572331117
BaseRepresentation
bin1001101111011…
…1110100110001
32211212221201112
42123313310301
540430022402
64015443105
71004212133
oct233676461
984787645
1040860977
1121079503
1211826495
1386086c1
1455d9053
1538c1e52
hex26f7d31

40860977 has 8 divisors (see below), whose sum is σ = 41334696. Its totient is φ = 40390272.

The previous prime is 40860973. The next prime is 40861019. The reversal of 40860977 is 77906804.

It can be written as a sum of positive squares in 4 ways, for example, as 1032256 + 39828721 = 1016^2 + 6311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40860977 - 22 = 40860973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40860973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36023 + ... + 37139.

It is an arithmetic number, because the mean of its divisors is an integer number (5166837).

Almost surely, 240860977 is an apocalyptic number.

It is an amenable number.

40860977 is a deficient number, since it is larger than the sum of its proper divisors (473719).

40860977 is a wasteful number, since it uses less digits than its factorization.

40860977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 40860977 is about 6392.2591468119. The cubic root of 40860977 is about 344.4315416333.

The spelling of 40860977 in words is "forty million, eight hundred sixty thousand, nine hundred seventy-seven".

Divisors: 1 157 233 1117 36581 175369 260261 40860977