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90276252 = 22311683911
BaseRepresentation
bin1010110000110…
…00000110011100
320021212111201220
411120120012130
5141102320002
612542533340
72144223033
oct530300634
9207774656
1090276252
1146a5a980
1226297250
131591a901
14bdbd71a
157dd37bc
hex561819c

90276252 has 24 divisors (see below), whose sum is σ = 229794432. Its totient is φ = 27356400.

The previous prime is 90276233. The next prime is 90276257. The reversal of 90276252 is 25267209.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90276257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341824 + ... + 342087.

It is an arithmetic number, because the mean of its divisors is an integer number (9574768).

Almost surely, 290276252 is an apocalyptic number.

It is an amenable number.

90276252 is an abundant number, since it is smaller than the sum of its proper divisors (139518180).

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

90276252 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 12 representation: 90276252 = (26297250)12.

90276252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683929 (or 683927 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 90276252 is about 9501.3815837488. The cubic root of 90276252 is about 448.5985237358.

The spelling of 90276252 in words is "ninety million, two hundred seventy-six thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 683911 1367822 2051733 2735644 4103466 7523021 8206932 15046042 22569063 30092084 45138126 90276252