Base | Representation |
---|---|
bin | 1000111100001… |
… | …00010010011100 |
3 | 12020002220222010 |
4 | 10132010102130 |
5 | 123144200443 |
6 | 11235151220 |
7 | 1600260630 |
oct | 436042234 |
9 | 166086863 |
10 | 74990748 |
11 | 3936a728 |
12 | 21145510 |
13 | 126c8331 |
14 | 9d60dc0 |
15 | 68b4733 |
hex | 478449c |
74990748 has 24 divisors (see below), whose sum is σ = 199975552. Its totient is φ = 21425904.
The previous prime is 74990719. The next prime is 74990771. The reversal of 74990748 is 84709947.
It is a happy number.
It is a super-2 number, since 2×749907482 = 11247224571199008, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 74990697 and 74990706.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446290 + ... + 446457.
Almost surely, 274990748 is an apocalyptic number.
It is an amenable number.
74990748 is an abundant number, since it is smaller than the sum of its proper divisors (124984804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74990748 is a wasteful number, since it uses less digits than its factorization.
74990748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 892761 (or 892759 counting only the distinct ones).
The product of its (nonzero) digits is 508032, while the sum is 48.
The square root of 74990748 is about 8659.7198569007. The cubic root of 74990748 is about 421.6989909622.
The spelling of 74990748 in words is "seventy-four million, nine hundred ninety thousand, seven hundred forty-eight".
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