Base | Representation |
---|---|
bin | 11110010000001101000010 |
3 | 112220220212021 |
4 | 132100031002 |
5 | 4012240230 |
6 | 441552054 |
7 | 124260355 |
oct | 36201502 |
9 | 15826767 |
10 | 7930690 |
11 | 4527499 |
12 | 27a562a |
13 | 1848a21 |
14 | 10a629c |
15 | a69c7a |
hex | 790342 |
7930690 has 8 divisors (see below), whose sum is σ = 14275260. Its totient is φ = 3172272.
The previous prime is 7930673. The next prime is 7930693. The reversal of 7930690 is 960397.
It can be written as a sum of positive squares in 2 ways, for example, as 6932689 + 998001 = 2633^2 + 999^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×79306902 = 125791687752200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (7930693) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396525 + ... + 396544.
Almost surely, 27930690 is an apocalyptic number.
7930690 is a deficient number, since it is larger than the sum of its proper divisors (6344570).
7930690 is a wasteful number, since it uses less digits than its factorization.
7930690 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 793076.
The product of its (nonzero) digits is 10206, while the sum is 34.
The square root of 7930690 is about 2816.1480784930. The cubic root of 7930690 is about 199.4207405790.
The spelling of 7930690 in words is "seven million, nine hundred thirty thousand, six hundred ninety".
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