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89725901 = 386323227
BaseRepresentation
bin1010101100100…
…01101111001101
320020211112210112
411112101233031
5140432212101
612523045405
72136441356
oct526215715
9206745715
1089725901
1146714441
1226070865
1315787265
14bcb8d2d
157d256bb
hex5591bcd

89725901 has 4 divisors (see below), whose sum is σ = 89752992. Its totient is φ = 89698812.

The previous prime is 89725891. The next prime is 89725919. The reversal of 89725901 is 10952798.

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 89725901 - 26 = 89725837 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 (89722901) 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, 7751 + ... + 15476.

It is an arithmetic number, because the mean of its divisors is an integer number (22438248).

Almost surely, 289725901 is an apocalyptic number.

It is an amenable number.

89725901 is a deficient number, since it is larger than the sum of its proper divisors (27091).

89725901 is a wasteful number, since it uses less digits than its factorization.

89725901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27090.

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

The square root of 89725901 is about 9472.3756787830. The cubic root of 89725901 is about 447.6850681111.

The spelling of 89725901 in words is "eighty-nine million, seven hundred twenty-five thousand, nine hundred one".

Divisors: 1 3863 23227 89725901