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90877692 = 22323329267
BaseRepresentation
bin1010110101010…
…10111011111100
320100000001202110
411122222323330
5141231041232
613003454020
72152306353
oct532527374
9210001673
1090877692
1147330834
1226527310
1315a9b5a9
14c0d899a
157ea1acc
hex56aaefc

90877692 has 24 divisors (see below), whose sum is σ = 221268096. Its totient is φ = 28975408.

The previous prime is 90877663. The next prime is 90877697. The reversal of 90877692 is 29677809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90877697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164358 + ... + 164909.

It is an arithmetic number, because the mean of its divisors is an integer number (9219504).

Almost surely, 290877692 is an apocalyptic number.

90877692 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

90877692 is an abundant number, since it is smaller than the sum of its proper divisors (130390404).

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

90877692 is a wasteful number, since it uses less digits than its factorization.

90877692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329297 (or 329295 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 90877692 is about 9532.9791775709. The cubic root of 90877692 is about 449.5925398115.

The spelling of 90877692 in words is "ninety million, eight hundred seventy-seven thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 329267 658534 987801 1317068 1975602 3951204 7573141 15146282 22719423 30292564 45438846 90877692