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80617168 = 245038573
BaseRepresentation
bin1001100111000…
…01111011010000
312121200202222001
410303201323100
5131114222133
611555523344
71666143322
oct463417320
9177622861
1080617168
1141562965
1222bb9554
1313918288
14a9c7612
15712687d
hex4ce1ed0

80617168 has 10 divisors (see below), whose sum is σ = 156195794. Its totient is φ = 40308576.

The previous prime is 80617091. The next prime is 80617177. The reversal of 80617168 is 86171608.

It can be written as a sum of positive squares in only one way, i.e., 80138304 + 478864 = 8952^2 + 692^2 .

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 as a sum of consecutive naturals, namely, 2519271 + ... + 2519302.

Almost surely, 280617168 is an apocalyptic number.

It is an amenable number.

80617168 is a deficient number, since it is larger than the sum of its proper divisors (75578626).

80617168 is a wasteful number, since it uses less digits than its factorization.

80617168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038581 (or 5038575 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 80617168 is about 8978.7063656186. The cubic root of 80617168 is about 431.9921409178.

The spelling of 80617168 in words is "eighty million, six hundred seventeen thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 5038573 10077146 20154292 40308584 80617168