Base | Representation |
---|---|
bin | 1010110101011… |
… | …10100100001010 |
3 | 20100000211010220 |
4 | 11122232210022 |
5 | 141232030204 |
6 | 13004050510 |
7 | 2152400604 |
oct | 532564412 |
9 | 210024126 |
10 | 90892554 |
11 | 47340a15 |
12 | 26533a36 |
13 | 15aa529c |
14 | c100174 |
15 | 7ea61d9 |
hex | 56ae90a |
90892554 has 16 divisors (see below), whose sum is σ = 188053920. Its totient is φ = 29252720.
The previous prime is 90892547. The next prime is 90892577. The reversal of 90892554 is 45529809.
It is a super-2 number, since 2×908925542 = 16522912745285832, which contains 22 as substring.
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, 261012 + ... + 261359.
It is an arithmetic number, because the mean of its divisors is an integer number (11753370).
Almost surely, 290892554 is an apocalyptic number.
90892554 is an abundant number, since it is smaller than the sum of its proper divisors (97161366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90892554 is a wasteful number, since it uses less digits than its factorization.
90892554 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 522405.
The product of its (nonzero) digits is 129600, while the sum is 42.
The square root of 90892554 is about 9533.7586501862. The cubic root of 90892554 is about 449.6170470365.
The spelling of 90892554 in words is "ninety million, eight hundred ninety-two thousand, five hundred fifty-four".
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