Base | Representation |
---|---|
bin | 1010111101101… |
… | …00010111011100 |
3 | 20102001022010010 |
4 | 11132310113130 |
5 | 142020334032 |
6 | 13043043220 |
7 | 2164455135 |
oct | 536642734 |
9 | 212038103 |
10 | 91964892 |
11 | 47a03648 |
12 | 26970510 |
13 | 1608c3c6 |
14 | c2dcc8c |
15 | 8118ccc |
hex | 57b45dc |
91964892 has 12 divisors (see below), whose sum is σ = 214584776. Its totient is φ = 30654960.
The previous prime is 91964819. The next prime is 91964903. The reversal of 91964892 is 29846919.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-3 number, since 3×919648923 (a number of 25 digits) contains 333 as substring.
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, 3831859 + ... + 3831882.
Almost surely, 291964892 is an apocalyptic number.
It is an amenable number.
91964892 is an abundant number, since it is smaller than the sum of its proper divisors (122619884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91964892 is a wasteful number, since it uses less digits than its factorization.
91964892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7663748 (or 7663746 counting only the distinct ones).
The product of its digits is 279936, while the sum is 48.
The square root of 91964892 is about 9589.8327409815. The cubic root of 91964892 is about 451.3783123063.
The spelling of 91964892 in words is "ninety-one million, nine hundred sixty-four thousand, eight hundred ninety-two".
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