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89190768 = 2437126171
BaseRepresentation
bin1010101000011…
…11000101110000
320012211100201210
411110033011300
5140313101033
612503400120
72132052252
oct524170560
9205740653
1089190768
1146389387
1225a53040
131562a804
14bbb9cd2
157c6bd63
hex550f170

89190768 has 40 divisors (see below), whose sum is σ = 233663616. Its totient is φ = 29310400.

The previous prime is 89190767. The next prime is 89190781. The reversal of 89190768 is 86709198.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89190767) 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, 9678 + ... + 16493.

Almost surely, 289190768 is an apocalyptic number.

It is an amenable number.

89190768 is an abundant number, since it is smaller than the sum of its proper divisors (144472848).

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

89190768 is a wasteful number, since it uses less digits than its factorization.

89190768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26253 (or 26247 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 89190768 is about 9444.0864036708. The cubic root of 89190768 is about 446.7932820924.

The spelling of 89190768 in words is "eighty-nine million, one hundred ninety thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 71 142 213 284 426 568 852 1136 1704 3408 26171 52342 78513 104684 157026 209368 314052 418736 628104 1256208 1858141 3716282 5574423 7432564 11148846 14865128 22297692 29730256 44595384 89190768