Base | Representation |
---|---|
bin | 111010000101… |
… | …1100110101010 |
3 | 2010022100002200 |
4 | 1310023212222 |
5 | 30244044414 |
6 | 3004441030 |
7 | 516605454 |
oct | 164134652 |
9 | 63270080 |
10 | 30456234 |
11 | 16212246 |
12 | a249176 |
13 | 6404853 |
14 | 408b2d4 |
15 | 2a19109 |
hex | 1d0b9aa |
30456234 has 12 divisors (see below), whose sum is σ = 65988546. Its totient is φ = 10152072.
The previous prime is 30456233. The next prime is 30456241. The reversal of 30456234 is 43265403.
30456234 is a `hidden beast` number, since 30 + 4 + 5 + 623 + 4 = 666.
It can be written as a sum of positive squares in only one way, i.e., 18533025 + 11923209 = 4305^2 + 3453^2 .
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30456198 and 30456207.
It is not an unprimeable number, because it can be changed into a prime (30456233) 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 5 ways as a sum of consecutive naturals, for example, 845989 + ... + 846024.
Almost surely, 230456234 is an apocalyptic number.
30456234 is an abundant number, since it is smaller than the sum of its proper divisors (35532312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30456234 is a wasteful number, since it uses less digits than its factorization.
30456234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1692021 (or 1692018 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 27.
The square root of 30456234 is about 5518.7166986538. The cubic root of 30456234 is about 312.2904715978.
The spelling of 30456234 in words is "thirty million, four hundred fifty-six thousand, two hundred thirty-four".
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