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90201552 = 2437238351
BaseRepresentation
bin1010110000001…
…01110111010000
320021201201021020
411120011313100
5141042422202
612541155440
72143462200
oct530056720
9207651236
1090201552
1146a09841
122625bb80
13158c28cc
14bda0400
157dbb5bc
hex5605dd0

90201552 has 60 divisors (see below), whose sum is σ = 271071936. Its totient is φ = 25771200.

The previous prime is 90201521. The next prime is 90201557. The reversal of 90201552 is 25510209.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90201557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16824 + ... + 21527.

Almost surely, 290201552 is an apocalyptic number.

It is an amenable number.

90201552 is an abundant number, since it is smaller than the sum of its proper divisors (180870384).

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

90201552 is a wasteful number, since it uses less digits than its factorization.

90201552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38376 (or 38363 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 90201552 is about 9497.4497629627. The cubic root of 90201552 is about 448.4747571266.

The spelling of 90201552 in words is "ninety million, two hundred one thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 84 98 112 147 168 196 294 336 392 588 784 1176 2352 38351 76702 115053 153404 230106 268457 306808 460212 536914 613616 805371 920424 1073828 1610742 1840848 1879199 2147656 3221484 3758398 4295312 5637597 6442968 7516796 11275194 12885936 15033592 22550388 30067184 45100776 90201552