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89131472 = 245570717
BaseRepresentation
bin1010101000000…
…00100111010000
320012201100101122
411110000213100
5140304201342
612502221412
72131414343
oct524004720
9205640348
1089131472
1146348881
1225a24868
1315609821
14bba245a
157c594d2
hex55009d0

89131472 has 10 divisors (see below), whose sum is σ = 172692258. Its totient is φ = 44565728.

The previous prime is 89131433. The next prime is 89131481. The reversal of 89131472 is 27413198.

It can be written as a sum of positive squares in only one way, i.e., 75411856 + 13719616 = 8684^2 + 3704^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785343 + ... + 2785374.

Almost surely, 289131472 is an apocalyptic number.

It is an amenable number.

89131472 is a deficient number, since it is larger than the sum of its proper divisors (83560786).

89131472 is a wasteful number, since it uses less digits than its factorization.

89131472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570725 (or 5570719 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 89131472 is about 9440.9465627129. The cubic root of 89131472 is about 446.6942474492.

The spelling of 89131472 in words is "eighty-nine million, one hundred thirty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 5570717 11141434 22282868 44565736 89131472