Base | Representation |
---|---|
bin | 111011000111… |
… | …1000101000100 |
3 | 2011022200210221 |
4 | 1312033011010 |
5 | 30413313011 |
6 | 3024154124 |
7 | 524310502 |
oct | 166170504 |
9 | 64280727 |
10 | 30994756 |
11 | 1654a901 |
12 | a468944 |
13 | 65629c0 |
14 | 418b672 |
15 | 2ac3971 |
hex | 1d8f144 |
30994756 has 12 divisors (see below), whose sum is σ = 58413292. Its totient is φ = 14305248.
The previous prime is 30994753. The next prime is 30994759. The reversal of 30994756 is 65749903.
It is an interprime number because it is at equal distance from previous prime (30994753) and next prime (30994759).
It can be written as a sum of positive squares in 2 ways, for example, as 4120900 + 26873856 = 2030^2 + 5184^2 .
It is not an unprimeable number, because it can be changed into a prime (30994751) 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, 297975 + ... + 298078.
Almost surely, 230994756 is an apocalyptic number.
It is an amenable number.
30994756 is a deficient number, since it is larger than the sum of its proper divisors (27418536).
30994756 is a wasteful number, since it uses less digits than its factorization.
30994756 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 596070 (or 596068 counting only the distinct ones).
The product of its (nonzero) digits is 204120, while the sum is 43.
The square root of 30994756 is about 5567.2934178108. The cubic root of 30994756 is about 314.1203509068.
The spelling of 30994756 in words is "thirty million, nine hundred ninety-four thousand, seven hundred fifty-six".
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