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89720195 = 519339283
BaseRepresentation
bin1010101100100…
…00010110000011
320020211020222012
411112100112003
5140432021240
612523003135
72136415625
oct526202603
9206736865
1089720195
1146710124
12260694ab
1315784796
14bcb6c15
157d23b65
hex5590583

89720195 has 8 divisors (see below), whose sum is σ = 107731536. Its totient is φ = 71731296.

The previous prime is 89720173. The next prime is 89720207. The reversal of 89720195 is 59102798.

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 89720195 - 210 = 89719171 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5024 + ... + 14306.

It is an arithmetic number, because the mean of its divisors is an integer number (13466442).

Almost surely, 289720195 is an apocalyptic number.

89720195 is a deficient number, since it is larger than the sum of its proper divisors (18011341).

89720195 is a wasteful number, since it uses less digits than its factorization.

89720195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11221.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 89720195 is about 9472.0744823930. The cubic root of 89720195 is about 447.6755779300.

The spelling of 89720195 in words is "eighty-nine million, seven hundred twenty thousand, one hundred ninety-five".

Divisors: 1 5 1933 9283 9665 46415 17944039 89720195