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90467572 = 221313192
BaseRepresentation
bin1010110010001…
…10110011110100
320022020020011211
411121012303310
5141124430242
612551011204
72145650566
oct531066364
9208206154
1090467572
1147080698
1226369b04
1315986a10
14c02d336
157e20317
hex5646cf4

90467572 has 18 divisors (see below), whose sum is σ = 170625938. Its totient is φ = 41722608.

The previous prime is 90467567. The next prime is 90467581. The reversal of 90467572 is 27576409.

It can be written as a sum of positive squares in only one way, i.e., 62631396 + 27836176 = 7914^2 + 5276^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67929 + ... + 69247.

Almost surely, 290467572 is an apocalyptic number.

It is an amenable number.

90467572 is a deficient number, since it is larger than the sum of its proper divisors (80158366).

90467572 is a wasteful number, since it uses less digits than its factorization.

90467572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655 (or 1334 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 90467572 is about 9511.4442646740. Note that the first 3 decimals coincide. The cubic root of 90467572 is about 448.9152010068.

The spelling of 90467572 in words is "ninety million, four hundred sixty-seven thousand, five hundred seventy-two".

Divisors: 1 2 4 13 26 52 1319 2638 5276 17147 34294 68588 1739761 3479522 6959044 22616893 45233786 90467572