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89898992 = 2417674933
BaseRepresentation
bin1010101101110…
…11111111110000
320021011100020022
411112323333300
5141003231432
612530503012
72141062121
oct526737760
9207140208
1089898992
1146822497
1226134a68
1315817c91
14bd22048
157d5bb12
hex55bbff0

89898992 has 40 divisors (see below), whose sum is σ = 187215696. Its totient is φ = 41665536.

The previous prime is 89898983. The next prime is 89898997. The reversal of 89898992 is 29989898.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89898997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15758 + ... + 20690.

Almost surely, 289898992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89898992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93607848).

89898992 is an abundant number, since it is smaller than the sum of its proper divisors (97316704).

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

89898992 is a wasteful number, since it uses less digits than its factorization.

89898992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025 (or 5019 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 62.

The square root of 89898992 is about 9481.5078969539. The cubic root of 89898992 is about 447.9727608864.

The spelling of 89898992 in words is "eighty-nine million, eight hundred ninety-eight thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 17 34 67 68 134 136 268 272 536 1072 1139 2278 4556 4933 9112 9866 18224 19732 39464 78928 83861 167722 330511 335444 661022 670888 1322044 1341776 2644088 5288176 5618687 11237374 22474748 44949496 89898992