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90037842 = 2370121407
BaseRepresentation
bin1010101110111…
…01111001010010
320021102101200220
411113131321102
5141022202332
612533453510
72142210666
oct527357122
9207371626
1090037842
1146907844
12261a1296
131586623b
14bd5a8a6
157d87d2c
hex55dde52

90037842 has 16 divisors (see below), whose sum is σ = 180340992. Its totient is φ = 29968400.

The previous prime is 90037823. The next prime is 90037859. The reversal of 90037842 is 24873009.

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, 6498 + ... + 14909.

It is an arithmetic number, because the mean of its divisors is an integer number (11271312).

Almost surely, 290037842 is an apocalyptic number.

90037842 is an abundant number, since it is smaller than the sum of its proper divisors (90303150).

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

90037842 is a wasteful number, since it uses less digits than its factorization.

90037842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22113.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 90037842 is about 9488.8272194197. The cubic root of 90037842 is about 448.2032752319.

The spelling of 90037842 in words is "ninety million, thirty-seven thousand, eight hundred forty-two".

Divisors: 1 2 3 6 701 1402 2103 4206 21407 42814 64221 128442 15006307 30012614 45018921 90037842