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90107528 = 2371609063
BaseRepresentation
bin1010101111011…
…10111010001000
320021112221021212
411113232322020
5141031420103
612535152252
72142621110
oct527567210
9207487255
1090107528
1146955135
1226215688
131588bb84
14bd78040
157d9d7d8
hex55eee88

90107528 has 16 divisors (see below), whose sum is σ = 193087680. Its totient is φ = 38617488.

The previous prime is 90107527. The next prime is 90107533. The reversal of 90107528 is 82570109.

It is a zygodrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 90107494 and 90107503.

It is not an unprimeable number, because it can be changed into a prime (90107527) 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, 804476 + ... + 804587.

It is an arithmetic number, because the mean of its divisors is an integer number (12067980).

Almost surely, 290107528 is an apocalyptic number.

It is an amenable number.

90107528 is an abundant number, since it is smaller than the sum of its proper divisors (102980152).

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

90107528 is a wasteful number, since it uses less digits than its factorization.

90107528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609076 (or 1609072 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 90107528 is about 9492.4985119830. The cubic root of 90107528 is about 448.3188763997.

The spelling of 90107528 in words is "ninety million, one hundred seven thousand, five hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 1609063 3218126 6436252 11263441 12872504 22526882 45053764 90107528