Base | Representation |
---|---|
bin | 111001010101… |
… | …1111110010011 |
3 | 2002120102210011 |
4 | 1302223332103 |
5 | 30144031111 |
6 | 2552215351 |
7 | 513354460 |
oct | 162537623 |
9 | 62512704 |
10 | 30064531 |
11 | 15a74a22 |
12 | a09a557 |
13 | 62c8483 |
14 | 3dc8667 |
15 | 298d021 |
hex | 1cabf93 |
30064531 has 4 divisors (see below), whose sum is σ = 34359472. Its totient is φ = 25769592.
The previous prime is 30064523. The next prime is 30064543. The reversal of 30064531 is 13546003.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30064531 - 23 = 30064523 is a prime.
It is a super-2 number, since 2×300645312 = 1807752048499922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30064501) 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, 2147460 + ... + 2147473.
It is an arithmetic number, because the mean of its divisors is an integer number (8589868).
Almost surely, 230064531 is an apocalyptic number.
30064531 is a deficient number, since it is larger than the sum of its proper divisors (4294941).
30064531 is an equidigital number, since it uses as much as digits as its factorization.
30064531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4294940.
The product of its (nonzero) digits is 1080, while the sum is 22.
The square root of 30064531 is about 5483.1132579950. The cubic root of 30064531 is about 310.9458830648.
The spelling of 30064531 in words is "thirty million, sixty-four thousand, five hundred thirty-one".
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