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89513007 = 3171819697
BaseRepresentation
bin1010101010111…
…01110000101111
320020102201202120
411111131300233
5140403404012
612514324023
72134563603
oct525356057
9206381676
1089513007
11465894a1
1225b89613
131571139c
14bc61503
157cd258c
hex555dc2f

89513007 has 16 divisors (see below), whose sum is σ = 127082592. Its totient is φ = 55848960.

The previous prime is 89512999. The next prime is 89513071. The reversal of 89513007 is 70031598.

It is not a de Polignac number, because 89513007 - 23 = 89512999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89513087) 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, 4383 + ... + 14079.

It is an arithmetic number, because the mean of its divisors is an integer number (7942662).

Almost surely, 289513007 is an apocalyptic number.

89513007 is a deficient number, since it is larger than the sum of its proper divisors (37569585).

89513007 is a wasteful number, since it uses less digits than its factorization.

89513007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9898.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 89513007 is about 9461.1313805485. The cubic root of 89513007 is about 447.3307113271.

The spelling of 89513007 in words is "eighty-nine million, five hundred thirteen thousand, seven".

Divisors: 1 3 17 51 181 543 3077 9231 9697 29091 164849 494547 1755157 5265471 29837669 89513007