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90044934 = 23710121227
BaseRepresentation
bin1010101110111…
…11101000000110
320021102202102120
411113133220012
5141022414214
612533550410
72142240450
oct527375006
9207382376
1090044934
1146912101
12261a5406
1315869535
14bd5d2d0
157d89ea9
hex55dfa06

90044934 has 32 divisors (see below), whose sum is σ = 207864576. Its totient is φ = 25471200.

The previous prime is 90044921. The next prime is 90044953. The reversal of 90044934 is 43944009.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 90044895 and 90044904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6372 + ... + 14855.

It is an arithmetic number, because the mean of its divisors is an integer number (6495768).

Almost surely, 290044934 is an apocalyptic number.

90044934 is an abundant number, since it is smaller than the sum of its proper divisors (117819642).

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

90044934 is a wasteful number, since it uses less digits than its factorization.

90044934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21340.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 90044934 is about 9489.2009147241. The cubic root of 90044934 is about 448.2150427810.

The spelling of 90044934 in words is "ninety million, forty-four thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 101 202 303 606 707 1414 2121 4242 21227 42454 63681 127362 148589 297178 445767 891534 2143927 4287854 6431781 12863562 15007489 30014978 45022467 90044934