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90156082 = 2238918869
BaseRepresentation
bin1010101111110…
…10110000110010
320021122101220011
411113322300302
5141034443312
612540205134
72143212502
oct527726062
9207571804
1090156082
1146988665
12262397aa
13158a7cc3
14bd8ba02
157dacda7
hex55fac32

90156082 has 8 divisors (see below), whose sum is σ = 135297900. Its totient is φ = 45056784.

The previous prime is 90156061. The next prime is 90156097. The reversal of 90156082 is 28065109.

It can be written as a sum of positive squares in 2 ways, for example, as 87403801 + 2752281 = 9349^2 + 1659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4657 + ... + 14212.

Almost surely, 290156082 is an apocalyptic number.

90156082 is a deficient number, since it is larger than the sum of its proper divisors (45141818).

90156082 is a wasteful number, since it uses less digits than its factorization.

90156082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21260.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 90156082 is about 9495.0556607110. The cubic root of 90156082 is about 448.3993867506.

The spelling of 90156082 in words is "ninety million, one hundred fifty-six thousand, eighty-two".

Divisors: 1 2 2389 4778 18869 37738 45078041 90156082