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89525087 = 101886387
BaseRepresentation
bin1010101011000…
…00101101011111
320020110100022222
411111200231133
5140404300322
612514455555
72134644041
oct525405537
9206410288
1089525087
1146597583
1225b945bb
1315716a32
14bc65a91
157cd5e42
hex5560b5f

89525087 has 4 divisors (see below), whose sum is σ = 90411576. Its totient is φ = 88638600.

The previous prime is 89525063. The next prime is 89525113. The reversal of 89525087 is 78052598.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89525087 - 216 = 89459551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89525027) 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, 443093 + ... + 443294.

It is an arithmetic number, because the mean of its divisors is an integer number (22602894).

Almost surely, 289525087 is an apocalyptic number.

89525087 is a deficient number, since it is larger than the sum of its proper divisors (886489).

89525087 is a wasteful number, since it uses less digits than its factorization.

89525087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886488.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 89525087 is about 9461.7697604624. The cubic root of 89525087 is about 447.3508332145.

The spelling of 89525087 in words is "eighty-nine million, five hundred twenty-five thousand, eighty-seven".

Divisors: 1 101 886387 89525087