Base | Representation |
---|---|
bin | 111001101001… |
… | …1010111100100 |
3 | 2002212122010111 |
4 | 1303103113210 |
5 | 30214212032 |
6 | 2555502404 |
7 | 514626064 |
oct | 163232744 |
9 | 62778114 |
10 | 30225892 |
11 | 16075184 |
12 | a157a04 |
13 | 6353a58 |
14 | 402b3a4 |
15 | 29c0c47 |
hex | 1cd35e4 |
30225892 has 24 divisors (see below), whose sum is σ = 54774720. Its totient is φ = 14582880.
The previous prime is 30225883. The next prime is 30225893. The reversal of 30225892 is 29852203.
It is not an unprimeable number, because it can be changed into a prime (30225893) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18609 + ... + 20167.
It is an arithmetic number, because the mean of its divisors is an integer number (2282280).
Almost surely, 230225892 is an apocalyptic number.
It is an amenable number.
30225892 is a deficient number, since it is larger than the sum of its proper divisors (24548828).
30225892 is a wasteful number, since it uses less digits than its factorization.
30225892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1731 (or 1729 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 31.
The square root of 30225892 is about 5497.8079268014. The cubic root of 30225892 is about 311.5011890331.
The spelling of 30225892 in words is "thirty million, two hundred twenty-five thousand, eight hundred ninety-two".
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