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89305360 = 2451116317
BaseRepresentation
bin1010101001010…
…11000100010000
320020001011220221
411110223010100
5140330232420
612510042424
72133040324
oct524530420
9206034827
1089305360
1146457491
1225aa9414
131566aa11
14bc09984
157c90caa
hex552b110

89305360 has 20 divisors (see below), whose sum is σ = 207635148. Its totient is φ = 35722112.

The previous prime is 89305319. The next prime is 89305361. The reversal of 89305360 is 6350398.

It can be written as a sum of positive squares in 2 ways, for example, as 60403984 + 28901376 = 7772^2 + 5376^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (89305361) 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, 558079 + ... + 558238.

Almost surely, 289305360 is an apocalyptic number.

89305360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89305360 is an abundant number, since it is smaller than the sum of its proper divisors (118329788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89305360 is a wasteful number, since it uses less digits than its factorization.

89305360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116330 (or 1116324 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 89305360 is about 9450.1513215398. The cubic root of 89305360 is about 446.9845463747.

The spelling of 89305360 in words is "eighty-nine million, three hundred five thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1116317 2232634 4465268 5581585 8930536 11163170 17861072 22326340 44652680 89305360