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90247748 = 2226718447
BaseRepresentation
bin1010110000100…
…01001001000100
320021211001122012
411120101021010
5141100411443
612542153352
72144043653
oct530211104
9207731565
1090247748
1146a40518
1226282858
131590a946
14bdb319a
157dca118
hex5611244

90247748 has 12 divisors (see below), whose sum is σ = 158011392. Its totient is φ = 45101640.

The previous prime is 90247741. The next prime is 90247753. The reversal of 90247748 is 84774209.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (90247741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6461 + ... + 14907.

It is an arithmetic number, because the mean of its divisors is an integer number (13167616).

Almost surely, 290247748 is an apocalyptic number.

It is an amenable number.

90247748 is a deficient number, since it is larger than the sum of its proper divisors (67763644).

90247748 is a wasteful number, since it uses less digits than its factorization.

90247748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11122 (or 11120 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 90247748 is about 9499.8814729448. The cubic root of 90247748 is about 448.5513049746.

The spelling of 90247748 in words is "ninety million, two hundred forty-seven thousand, seven hundred forty-eight".

Divisors: 1 2 4 2671 5342 8447 10684 16894 33788 22561937 45123874 90247748