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80057601 = 32136171109
BaseRepresentation
bin1001100010110…
…01010100000001
312120122100101100
410301121110001
5130443320401
611535525013
71661323041
oct461312401
9176570340
1080057601
1141210508
1222989769
1313780680
14a8bd721
157065b86
hex4c59501

80057601 has 24 divisors (see below), whose sum is σ = 124848360. Its totient is φ = 49142016.

The previous prime is 80057581. The next prime is 80057617. The reversal of 80057601 is 10675008.

80057601 is a `hidden beast` number, since 8 + 0 + 0 + 57 + 601 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14447601 + 65610000 = 3801^2 + 8100^2 .

It is not a de Polignac number, because 80057601 - 27 = 80057473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80057651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71635 + ... + 72743.

It is an arithmetic number, because the mean of its divisors is an integer number (5202015).

Almost surely, 280057601 is an apocalyptic number.

It is an amenable number.

80057601 is a deficient number, since it is larger than the sum of its proper divisors (44790759).

80057601 is a wasteful number, since it uses less digits than its factorization.

80057601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 80057601 is about 8947.4913243881. The cubic root of 80057601 is about 430.9903278568.

The spelling of 80057601 in words is "eighty million, fifty-seven thousand, six hundred one".

Divisors: 1 3 9 13 39 117 617 1109 1851 3327 5553 8021 9981 14417 24063 43251 72189 129753 684253 2052759 6158277 8895289 26685867 80057601