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76660975 = 523478837
BaseRepresentation
bin1001001000111…
…00000011101111
312100020210002101
410210130003233
5124111122400
611335035531
71620415246
oct444340357
9170223071
1076660975
113a300586
122180bba7
1312b61631
14a27795d
156ae456a
hex491c0ef

76660975 has 12 divisors (see below), whose sum is σ = 95344344. Its totient is φ = 61145120.

The previous prime is 76660967. The next prime is 76660981. The reversal of 76660975 is 57906667.

It is not a de Polignac number, because 76660975 - 23 = 76660967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 4257 + ... + 13093.

It is an arithmetic number, because the mean of its divisors is an integer number (7945362).

Almost surely, 276660975 is an apocalyptic number.

76660975 is a deficient number, since it is larger than the sum of its proper divisors (18683369).

76660975 is a wasteful number, since it uses less digits than its factorization.

76660975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9194 (or 9189 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 76660975 is about 8755.6253346063. The cubic root of 76660975 is about 424.8067864537.

The spelling of 76660975 in words is "seventy-six million, six hundred sixty thousand, nine hundred seventy-five".

Divisors: 1 5 25 347 1735 8675 8837 44185 220925 3066439 15332195 76660975