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90730374 = 2372160247
BaseRepresentation
bin1010110100001…
…10111110000110
320022201120200020
411122012332012
5141211332444
613000400010
72151124020
oct532067606
9208646606
1090730374
1147240089
1226476006
1315a49517
14c09b010
157e73119
hex5686f86

90730374 has 16 divisors (see below), whose sum is σ = 207383808. Its totient is φ = 25922952.

The previous prime is 90730337. The next prime is 90730391. The reversal of 90730374 is 47303709.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080082 + ... + 1080165.

It is an arithmetic number, because the mean of its divisors is an integer number (12961488).

Almost surely, 290730374 is an apocalyptic number.

90730374 is an abundant number, since it is smaller than the sum of its proper divisors (116653434).

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

90730374 is a wasteful number, since it uses less digits than its factorization.

90730374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160259.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 90730374 is about 9525.2492880764. The cubic root of 90730374 is about 449.3494699088.

The spelling of 90730374 in words is "ninety million, seven hundred thirty thousand, three hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 2160247 4320494 6480741 12961482 15121729 30243458 45365187 90730374