Base | Representation |
---|---|
bin | 1010110101110… |
… | …01111011100100 |
3 | 20100010012000010 |
4 | 11122321323210 |
5 | 141240022413 |
6 | 13005050220 |
7 | 2152653411 |
oct | 532717344 |
9 | 210105003 |
10 | 90939108 |
11 | 47372997 |
12 | 26556970 |
13 | 15ac0530 |
14 | c113108 |
15 | 7eb4dc3 |
hex | 56b9ee4 |
90939108 has 48 divisors (see below), whose sum is σ = 229178880. Its totient is φ = 27899904.
The previous prime is 90939097. The next prime is 90939127. The reversal of 90939108 is 80193909.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74116 + ... + 75332.
It is an arithmetic number, because the mean of its divisors is an integer number (4774560).
Almost surely, 290939108 is an apocalyptic number.
It is an amenable number.
90939108 is an abundant number, since it is smaller than the sum of its proper divisors (138239772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90939108 is a wasteful number, since it uses less digits than its factorization.
90939108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1716 (or 1714 counting only the distinct ones).
The product of its (nonzero) digits is 17496, while the sum is 39.
The square root of 90939108 is about 9536.1998720664. The cubic root of 90939108 is about 449.6937966289.
The spelling of 90939108 in words is "ninety million, nine hundred thirty-nine thousand, one hundred eight".
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