Base | Representation |
---|---|
bin | 111010101100… |
… | …0010111101000 |
3 | 2010220022102020 |
4 | 1311120113220 |
5 | 30334130124 |
6 | 3015304440 |
7 | 522355251 |
oct | 165302750 |
9 | 63808366 |
10 | 30770664 |
11 | 16407501 |
12 | a37b120 |
13 | 64b49c2 |
14 | 412db28 |
15 | 2a7c379 |
hex | 1d585e8 |
30770664 has 32 divisors (see below), whose sum is σ = 78805440. Its totient is φ = 10006400.
The previous prime is 30770659. The next prime is 30770669. The reversal of 30770664 is 46607703.
It is an interprime number because it is at equal distance from previous prime (30770659) and next prime (30770669).
It is not an unprimeable number, because it can be changed into a prime (30770669) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 14652 + ... + 16619.
It is an arithmetic number, because the mean of its divisors is an integer number (2462670).
Almost surely, 230770664 is an apocalyptic number.
It is an amenable number.
30770664 is an abundant number, since it is smaller than the sum of its proper divisors (48034776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30770664 is a wasteful number, since it uses less digits than its factorization.
30770664 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31321 (or 31317 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 33.
The square root of 30770664 is about 5547.1311504236. The cubic root of 30770664 is about 313.3614893465.
The spelling of 30770664 in words is "thirty million, seven hundred seventy thousand, six hundred sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •