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76411985 = 5131175569
BaseRepresentation
bin1001000110111…
…11010001010001
312022210010112112
410203133101101
5124030140420
611325435105
71615330316
oct443372121
9168703475
1076411985
113a150501
122170ba95
1312aa51c0
14a210d0d
156a958c5
hex48df451

76411985 has 8 divisors (see below), whose sum is σ = 98747880. Its totient is φ = 56427264.

The previous prime is 76411961. The next prime is 76411999. The reversal of 76411985 is 58911467.

It can be written as a sum of positive squares in 4 ways, for example, as 495616 + 75916369 = 704^2 + 8713^2 .

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 76411985 - 212 = 76407889 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 587720 + ... + 587849.

It is an arithmetic number, because the mean of its divisors is an integer number (12343485).

Almost surely, 276411985 is an apocalyptic number.

It is an amenable number.

76411985 is a deficient number, since it is larger than the sum of its proper divisors (22335895).

76411985 is a wasteful number, since it uses less digits than its factorization.

76411985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175587.

The product of its digits is 60480, while the sum is 41.

The square root of 76411985 is about 8741.3949115687. The cubic root of 76411985 is about 424.3463724333.

The spelling of 76411985 in words is "seventy-six million, four hundred eleven thousand, nine hundred eighty-five".

Divisors: 1 5 13 65 1175569 5877845 15282397 76411985