Base | Representation |
---|---|
bin | 1000111000011… |
… | …10011001011100 |
3 | 12012012101120200 |
4 | 10130032121130 |
5 | 123033222433 |
6 | 11220543500 |
7 | 1563210051 |
oct | 434163134 |
9 | 165171520 |
10 | 74507868 |
11 | 3906a956 |
12 | 20b51b90 |
13 | 125895c6 |
14 | 9c77028 |
15 | 681b613 |
hex | 470e65c |
74507868 has 36 divisors (see below), whose sum is σ = 189204288. Its totient is φ = 24721920.
The previous prime is 74507857. The next prime is 74507891. The reversal of 74507868 is 86870547.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 3388 + ... + 12668.
Almost surely, 274507868 is an apocalyptic number.
It is an amenable number.
74507868 is an abundant number, since it is smaller than the sum of its proper divisors (114696420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74507868 is a wasteful number, since it uses less digits than its factorization.
74507868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9514 (or 9509 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 45.
The square root of 74507868 is about 8631.7940197852. The cubic root of 74507868 is about 420.7919072860.
The spelling of 74507868 in words is "seventy-four million, five hundred seven thousand, eight hundred sixty-eight".
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