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89570945 = 5163109903
BaseRepresentation
bin1010101011010…
…11111010000001
320020112200020102
411111223322001
5140412232240
612515452145
72135224532
oct525537201
9206480212
1089570945
1146618a82
1225bb7055
1315731879
14bc78689
157ce4815
hex556be81

89570945 has 8 divisors (see below), whose sum is σ = 108145536. Its totient is φ = 71216496.

The previous prime is 89570933. The next prime is 89570953. The reversal of 89570945 is 54907598.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89570945 - 26 = 89570881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89570945.

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, 54137 + ... + 55766.

It is an arithmetic number, because the mean of its divisors is an integer number (13518192).

Almost surely, 289570945 is an apocalyptic number.

It is an amenable number.

89570945 is a deficient number, since it is larger than the sum of its proper divisors (18574591).

89570945 is a wasteful number, since it uses less digits than its factorization.

89570945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110071.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 89570945 is about 9464.1927812149. The cubic root of 89570945 is about 447.4272032891.

The spelling of 89570945 in words is "eighty-nine million, five hundred seventy thousand, nine hundred forty-five".

Divisors: 1 5 163 815 109903 549515 17914189 89570945