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83216648 = 23313071093
BaseRepresentation
bin1001111010111…
…00100100001000
312210120211210002
410331130210020
5132300413043
612131342132
72030221064
oct475344410
9183524702
1083216648
1142a78999
1223a51948
1314318528
14b0a2aa4
15748bbb8
hex4f5c908

83216648 has 32 divisors (see below), whose sum is σ = 161736960. Its totient is φ = 40098240.

The previous prime is 83216629. The next prime is 83216657. The reversal of 83216648 is 84661238.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75590 + ... + 76682.

It is an arithmetic number, because the mean of its divisors is an integer number (5054280).

Almost surely, 283216648 is an apocalyptic number.

It is an amenable number.

83216648 is a deficient number, since it is larger than the sum of its proper divisors (78520312).

83216648 is a wasteful number, since it uses less digits than its factorization.

83216648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437 (or 1433 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 83216648 is about 9122.3159340159. The cubic root of 83216648 is about 436.5862690850.

The spelling of 83216648 in words is "eighty-three million, two hundred sixteen thousand, six hundred forty-eight".

Divisors: 1 2 4 8 31 62 124 248 307 614 1093 1228 2186 2456 4372 8744 9517 19034 33883 38068 67766 76136 135532 271064 335551 671102 1342204 2684408 10402081 20804162 41608324 83216648