Base | Representation |
---|---|
bin | 111001110001… |
… | …1001110100110 |
3 | 2002222221020111 |
4 | 1303203032212 |
5 | 30223301404 |
6 | 3001123234 |
7 | 515316346 |
oct | 163431646 |
9 | 62887214 |
10 | 30290854 |
11 | 16109a70 |
12 | a18951a |
13 | 63774a9 |
14 | 4046d26 |
15 | 29d5104 |
hex | 1ce33a6 |
30290854 has 16 divisors (see below), whose sum is σ = 49652496. Its totient is φ = 13744800.
The previous prime is 30290851. The next prime is 30290863. The reversal of 30290854 is 45809203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30290851) 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, 21244 + ... + 22624.
It is an arithmetic number, because the mean of its divisors is an integer number (3103281).
Almost surely, 230290854 is an apocalyptic number.
30290854 is a deficient number, since it is larger than the sum of its proper divisors (19361642).
30290854 is a wasteful number, since it uses less digits than its factorization.
30290854 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2391.
The product of its (nonzero) digits is 8640, while the sum is 31.
The square root of 30290854 is about 5503.7127468646. The cubic root of 30290854 is about 311.7241905636.
The spelling of 30290854 in words is "thirty million, two hundred ninety thousand, eight hundred fifty-four".
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