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90838536 = 2337153309
BaseRepresentation
bin1010110101000…
…01011000001000
320022221002001020
411122201120020
5141223313121
613002552440
72152054245
oct532413010
9208832036
1090838536
1147304378
1226508720
1315a86819
14c0c85cc
157e951c6
hex56a1608

90838536 has 32 divisors (see below), whose sum is σ = 230299200. Its totient is φ = 29852480.

The previous prime is 90838519. The next prime is 90838541. The reversal of 90838536 is 63583809.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24951 + ... + 28358.

It is an arithmetic number, because the mean of its divisors is an integer number (7196850).

Almost surely, 290838536 is an apocalyptic number.

It is an amenable number.

90838536 is an abundant number, since it is smaller than the sum of its proper divisors (139460664).

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

90838536 is a wasteful number, since it uses less digits than its factorization.

90838536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53389 (or 53385 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 90838536 is about 9530.9252436476. The cubic root of 90838536 is about 449.5279593333.

The spelling of 90838536 in words is "ninety million, eight hundred thirty-eight thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 24 71 142 213 284 426 568 852 1704 53309 106618 159927 213236 319854 426472 639708 1279416 3784939 7569878 11354817 15139756 22709634 30279512 45419268 90838536