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83256608 = 2516132
BaseRepresentation
bin1001111011001…
…10010100100000
312210122212121002
410331212110200
5132303202413
612132251132
72030445431
oct475462440
9183585532
1083256608
1142aa5a16
1223a70aa8
1314330786
14b0b3488
157498958
hex4f66520

83256608 has 18 divisors (see below), whose sum is σ = 164013129. Its totient is φ = 41602496.

The previous prime is 83256601. The next prime is 83256631. The reversal of 83256608 is 80665238.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 81938704 + 1317904 = 9052^2 + 1148^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=6452.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83256601) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 50810 + ... + 52422.

Almost surely, 283256608 is an apocalyptic number.

It is an amenable number.

83256608 is a deficient number, since it is larger than the sum of its proper divisors (80756521).

83256608 is an frugal number, since it uses more digits than its factorization.

83256608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 83256608 is about 9124.5059044312. The cubic root of 83256608 is about 436.6561397018.

The spelling of 83256608 in words is "eighty-three million, two hundred fifty-six thousand, six hundred eight".

Divisors: 1 2 4 8 16 32 1613 3226 6452 12904 25808 51616 2601769 5203538 10407076 20814152 41628304 83256608