Base | Representation |
---|---|
bin | 11110011110101011111100 |
3 | 120000221020101 |
4 | 132132223330 |
5 | 4021140022 |
6 | 443130444 |
7 | 124625332 |
oct | 36365374 |
9 | 16027211 |
10 | 7990012 |
11 | 4568018 |
12 | 2813a24 |
13 | 1869a24 |
14 | 10bdb52 |
15 | a7c627 |
hex | 79eafc |
7990012 has 6 divisors (see below), whose sum is σ = 13982528. Its totient is φ = 3995004.
The previous prime is 7990001. The next prime is 7990057. The reversal of 7990012 is 2100997.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998748 + ... + 998755.
Almost surely, 27990012 is an apocalyptic number.
It is an amenable number.
7990012 is a deficient number, since it is larger than the sum of its proper divisors (5992516).
7990012 is a wasteful number, since it uses less digits than its factorization.
7990012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1997507 (or 1997505 counting only the distinct ones).
The product of its (nonzero) digits is 1134, while the sum is 28.
The square root of 7990012 is about 2826.6609276671. The cubic root of 7990012 is about 199.9167320037.
The spelling of 7990012 in words is "seven million, nine hundred ninety thousand, twelve".
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