Base | Representation |
---|---|
bin | 1010101111110… |
… | …01011111001010 |
3 | 20021122010201200 |
4 | 11113321133022 |
5 | 141034311413 |
6 | 12540125030 |
7 | 2143161330 |
oct | 527713712 |
9 | 207563650 |
10 | 90150858 |
11 | 46984746 |
12 | 26236776 |
13 | 158a5805 |
14 | bd89b50 |
15 | 7dab573 |
hex | 55f97ca |
90150858 has 48 divisors (see below), whose sum is σ = 234985920. Its totient is φ = 24401088.
The previous prime is 90150803. The next prime is 90150871. The reversal of 90150858 is 85805109.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16435 + ... + 21222.
It is an arithmetic number, because the mean of its divisors is an integer number (4895540).
Almost surely, 290150858 is an apocalyptic number.
90150858 is an abundant number, since it is smaller than the sum of its proper divisors (144835062).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90150858 is a wasteful number, since it uses less digits than its factorization.
90150858 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37691 (or 37688 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 36.
The square root of 90150858 is about 9494.7805661848. The cubic root of 90150858 is about 448.3907259052.
The spelling of 90150858 in words is "ninety million, one hundred fifty thousand, eight hundred fifty-eight".
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