Base | Representation |
---|---|
bin | 111001110001… |
… | …1010100100010 |
3 | 2002222221202120 |
4 | 1303203110202 |
5 | 30223304414 |
6 | 3001125110 |
7 | 515320431 |
oct | 163432442 |
9 | 62887676 |
10 | 30291234 |
11 | 1610a286 |
12 | a189796 |
13 | 637770c |
14 | 4047118 |
15 | 29d52a9 |
hex | 1ce3522 |
30291234 has 16 divisors (see below), whose sum is σ = 62220288. Its totient is φ = 9824112.
The previous prime is 30291223. The next prime is 30291241. The reversal of 30291234 is 43219203.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68002 + ... + 68445.
It is an arithmetic number, because the mean of its divisors is an integer number (3888768).
Almost surely, 230291234 is an apocalyptic number.
30291234 is an abundant number, since it is smaller than the sum of its proper divisors (31929054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30291234 is a wasteful number, since it uses less digits than its factorization.
30291234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136489.
The product of its (nonzero) digits is 1296, while the sum is 24.
The square root of 30291234 is about 5503.7472689069. The cubic root of 30291234 is about 311.7254940891.
The spelling of 30291234 in words is "thirty million, two hundred ninety-one thousand, two hundred thirty-four".
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