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90232302 = 2317386929
BaseRepresentation
bin1010110000011…
…01010111101110
320021210021110010
411120031113232
5141044413202
612541554050
72143650636
oct530152756
9207707403
1090232302
1146a2a956
1226275926
13159038c4
14bdab6c6
157dc576c
hex560d5ee

90232302 has 16 divisors (see below), whose sum is σ = 181509840. Its totient is φ = 29903232.

The previous prime is 90232297. The next prime is 90232309. The reversal of 90232302 is 20323209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90232309) 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, 42427 + ... + 44502.

It is an arithmetic number, because the mean of its divisors is an integer number (11344365).

Almost surely, 290232302 is an apocalyptic number.

90232302 is an abundant number, since it is smaller than the sum of its proper divisors (91277538).

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

90232302 is a wasteful number, since it uses less digits than its factorization.

90232302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87107.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 90232302 is about 9499.0684806459. The cubic root of 90232302 is about 448.5257135004.

It can be divided in two parts, 9023 and 2302, that added together give a triangular number (11325 = T150).

The spelling of 90232302 in words is "ninety million, two hundred thirty-two thousand, three hundred two".

Divisors: 1 2 3 6 173 346 519 1038 86929 173858 260787 521574 15038717 30077434 45116151 90232302