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89602129 = 479918671
BaseRepresentation
bin1010101011100…
…11100001010001
320020121021000101
411111303201101
5140414232004
612520252401
72135414461
oct525634121
9206537011
1089602129
114663a451
1226011101
1315742b16
14bc85ba1
157cedba4
hex5573851

89602129 has 4 divisors (see below), whose sum is σ = 89625600. Its totient is φ = 89578660.

The previous prime is 89602103. The next prime is 89602133. The reversal of 89602129 is 92120698.

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.

It is a cyclic number.

It is not a de Polignac number, because 89602129 - 27 = 89602001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89602169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4537 + ... + 14134.

It is an arithmetic number, because the mean of its divisors is an integer number (22406400).

Almost surely, 289602129 is an apocalyptic number.

It is an amenable number.

89602129 is a deficient number, since it is larger than the sum of its proper divisors (23471).

89602129 is a wasteful number, since it uses less digits than its factorization.

89602129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23470.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 89602129 is about 9465.8401106294. The cubic root of 89602129 is about 447.4791209842.

Subtracting 89602129 from its reverse (92120698), we obtain a square (2518569 = 15872).

The spelling of 89602129 in words is "eighty-nine million, six hundred two thousand, one hundred twenty-nine".

Divisors: 1 4799 18671 89602129