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83512964 = 2220878241
BaseRepresentation
bin1001111101001…
…00111010000100
312211010220020202
410332210322010
5132334403324
612141550032
72032564013
oct476447204
9184126222
1083512964
1143160587
1223b75318
13143c0372
14b13ca7a
1574e98ae
hex4fa4e84

83512964 has 6 divisors (see below), whose sum is σ = 146147694. Its totient is φ = 41756480.

The previous prime is 83512951. The next prime is 83512973. The reversal of 83512964 is 46921538.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 80856064 + 2656900 = 8992^2 + 1630^2 .

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 as a sum of consecutive naturals, namely, 10439117 + ... + 10439124.

It is an arithmetic number, because the mean of its divisors is an integer number (24357949).

Almost surely, 283512964 is an apocalyptic number.

It is an amenable number.

83512964 is a deficient number, since it is larger than the sum of its proper divisors (62634730).

83512964 is a wasteful number, since it uses less digits than its factorization.

83512964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20878245 (or 20878243 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 83512964 is about 9138.5427722367. The cubic root of 83512964 is about 437.1038508165.

The spelling of 83512964 in words is "eighty-three million, five hundred twelve thousand, nine hundred sixty-four".

Divisors: 1 2 4 20878241 41756482 83512964