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89922988 = 2291124677
BaseRepresentation
bin1010101110000…
…01110110101100
320021012120011001
411113001312230
5141010013423
612531210044
72141222101
oct527016654
9207176131
1089922988
1146839521
1226146924
1315825b8c
14bd2aaa8
157d63cad
hex55c1dac

89922988 has 12 divisors (see below), whose sum is σ = 157544352. Its totient is φ = 44910320.

The previous prime is 89922983. The next prime is 89923007. The reversal of 89922988 is 88922998.

It is a super-2 number, since 2×899229882 = 16172287541696288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89922983) 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, 8695 + ... + 15982.

It is an arithmetic number, because the mean of its divisors is an integer number (13128696).

Almost surely, 289922988 is an apocalyptic number.

It is an amenable number.

89922988 is a deficient number, since it is larger than the sum of its proper divisors (67621364).

89922988 is a wasteful number, since it uses less digits than its factorization.

89922988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25592 (or 25590 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 55.

The square root of 89922988 is about 9482.7732230609. The cubic root of 89922988 is about 448.0126152379.

The spelling of 89922988 in words is "eighty-nine million, nine hundred twenty-two thousand, nine hundred eighty-eight".

Divisors: 1 2 4 911 1822 3644 24677 49354 98708 22480747 44961494 89922988