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89557601 = 712793943
BaseRepresentation
bin1010101011010…
…00101001100001
320020111222221012
411111220221201
5140411320401
612515310305
72135140610
oct525505141
9206458835
1089557601
1146609a51
1225bab395
1315728783
14bc73877
157ce08bb
hex5568a61

89557601 has 4 divisors (see below), whose sum is σ = 102351552. Its totient is φ = 76763652.

The previous prime is 89557541. The next prime is 89557603. The reversal of 89557601 is 10675598.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10675598 = 25337799.

It is not a de Polignac number, because 89557601 - 26 = 89557537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89557603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6396965 + ... + 6396978.

It is an arithmetic number, because the mean of its divisors is an integer number (25587888).

Almost surely, 289557601 is an apocalyptic number.

It is an amenable number.

89557601 is a deficient number, since it is larger than the sum of its proper divisors (12793951).

89557601 is a wasteful number, since it uses less digits than its factorization.

89557601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12793950.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 89557601 is about 9463.4877819967. The cubic root of 89557601 is about 447.4049834159.

The spelling of 89557601 in words is "eighty-nine million, five hundred fifty-seven thousand, six hundred one".

Divisors: 1 7 12793943 89557601