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89895657 = 3415031453
BaseRepresentation
bin1010101101110…
…11001011101001
320021011011122210
411112323023221
5141003130112
612530435333
72141046315
oct526731351
9207134583
1089895657
114681aa35
1226132b49
13158165c7
14bd20b45
157d5ab3c
hex55bb2e9

89895657 has 16 divisors (see below), whose sum is σ = 123113088. Its totient is φ = 58312320.

The previous prime is 89895653. The next prime is 89895667. The reversal of 89895657 is 75659898.

It is not a de Polignac number, because 89895657 - 22 = 89895653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89895597 and 89895606.

It is not an unprimeable number, because it can be changed into a prime (89895653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61143 + ... + 62595.

It is an arithmetic number, because the mean of its divisors is an integer number (7694568).

Almost surely, 289895657 is an apocalyptic number.

It is an amenable number.

89895657 is a deficient number, since it is larger than the sum of its proper divisors (33217431).

89895657 is a wasteful number, since it uses less digits than its factorization.

89895657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000.

The product of its digits is 5443200, while the sum is 57.

The square root of 89895657 is about 9481.3320266722. The cubic root of 89895657 is about 447.9672213076.

The spelling of 89895657 in words is "eighty-nine million, eight hundred ninety-five thousand, six hundred fifty-seven".

Divisors: 1 3 41 123 503 1453 1509 4359 20623 59573 61869 178719 730859 2192577 29965219 89895657