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90260636 = 22213110589
BaseRepresentation
bin1010110000101…
…00010010011100
320021211201022112
411120110102130
5141101320021
612542333152
72144126354
oct530242234
9207751275
1090260636
1146a4a174
122628a1b8
131591377b
14bdb7b64
157dcdd5b
hex561449c

90260636 has 12 divisors (see below), whose sum is σ = 158045160. Its totient is φ = 45104880.

The previous prime is 90260627. The next prime is 90260641. The reversal of 90260636 is 63606209.

It is a super-2 number, since 2×902606362 = 16293964822248992, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3230 + ... + 13818.

It is an arithmetic number, because the mean of its divisors is an integer number (13170430).

Almost surely, 290260636 is an apocalyptic number.

It is an amenable number.

90260636 is a deficient number, since it is larger than the sum of its proper divisors (67784524).

90260636 is a wasteful number, since it uses less digits than its factorization.

90260636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12724 (or 12722 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 90260636 is about 9500.5597729818. The cubic root of 90260636 is about 448.5726560302.

The spelling of 90260636 in words is "ninety million, two hundred sixty thousand, six hundred thirty-six".

Divisors: 1 2 4 2131 4262 8524 10589 21178 42356 22565159 45130318 90260636