Base | Representation |
---|---|
bin | 1010110001010… |
… | …11111111111100 |
3 | 20022000122112120 |
4 | 11120223333330 |
5 | 141112422011 |
6 | 12544402540 |
7 | 2145012456 |
oct | 530537774 |
9 | 208018476 |
10 | 90357756 |
11 | 47006135 |
12 | 26316450 |
13 | 15948a38 |
14 | c0012d6 |
15 | 7deca06 |
hex | 562bffc |
90357756 has 12 divisors (see below), whose sum is σ = 210834792. Its totient is φ = 30119248.
The previous prime is 90357719. The next prime is 90357767. The reversal of 90357756 is 65775309.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3764895 + ... + 3764918.
It is an arithmetic number, because the mean of its divisors is an integer number (17569566).
Almost surely, 290357756 is an apocalyptic number.
It is an amenable number.
90357756 is an abundant number, since it is smaller than the sum of its proper divisors (120477036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90357756 is a wasteful number, since it uses less digits than its factorization.
90357756 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7529820 (or 7529818 counting only the distinct ones).
The product of its (nonzero) digits is 198450, while the sum is 42.
The square root of 90357756 is about 9505.6696765667. The cubic root of 90357756 is about 448.7334856832.
The spelling of 90357756 in words is "ninety million, three hundred fifty-seven thousand, seven hundred fifty-six".
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