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90949936 = 2471173823
BaseRepresentation
bin1010110101111…
…00100100110000
320100010201212011
411122330210300
5141240344221
613005212304
72153030110
oct532744460
9210121764
1090949936
1147380040
1226561094
1315ac543c
14c117040
157eb81e1
hex56bc930

90949936 has 40 divisors (see below), whose sum is σ = 219700224. Its totient is φ = 35434560.

The previous prime is 90949913. The next prime is 90949967. The reversal of 90949936 is 63994909.

It is a self number, because there is not a number n which added to its sum of digits gives 90949936.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35680 + ... + 38143.

Almost surely, 290949936 is an apocalyptic number.

It is an amenable number.

90949936 is an abundant number, since it is smaller than the sum of its proper divisors (128750288).

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

90949936 is a wasteful number, since it uses less digits than its factorization.

90949936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73849 (or 73843 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 49.

The square root of 90949936 is about 9536.7675865568. The cubic root of 90949936 is about 449.7116440702.

The spelling of 90949936 in words is "ninety million, nine hundred forty-nine thousand, nine hundred thirty-six".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 154 176 308 616 1232 73823 147646 295292 516761 590584 812053 1033522 1181168 1624106 2067044 3248212 4134088 5684371 6496424 8268176 11368742 12992848 22737484 45474968 90949936