Base | Representation |
---|---|
bin | 111001100011… |
… | …0001110011011 |
3 | 2002202220021200 |
4 | 1303012032123 |
5 | 30211001214 |
6 | 2554405243 |
7 | 514313121 |
oct | 163061633 |
9 | 62686250 |
10 | 30172059 |
11 | 16038795 |
12 | a130823 |
13 | 63353b8 |
14 | 4015911 |
15 | 29aed09 |
hex | 1cc639b |
30172059 has 12 divisors (see below), whose sum is σ = 46145736. Its totient is φ = 18931392.
The previous prime is 30172039. The next prime is 30172063. The reversal of 30172059 is 95027103.
It is not a de Polignac number, because 30172059 - 27 = 30171931 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30172039) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98449 + ... + 98754.
It is an arithmetic number, because the mean of its divisors is an integer number (3845478).
Almost surely, 230172059 is an apocalyptic number.
30172059 is a deficient number, since it is larger than the sum of its proper divisors (15973677).
30172059 is a wasteful number, since it uses less digits than its factorization.
30172059 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197226 (or 197223 counting only the distinct ones).
The product of its (nonzero) digits is 1890, while the sum is 27.
The square root of 30172059 is about 5492.9098845694. The cubic root of 30172059 is about 311.3161489057.
The spelling of 30172059 in words is "thirty million, one hundred seventy-two thousand, fifty-nine".
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