Base | Representation |
---|---|
bin | 111001100100… |
… | …0001001100000 |
3 | 2002210022002102 |
4 | 1303020021200 |
5 | 30211224221 |
6 | 2554505532 |
7 | 514345103 |
oct | 163101140 |
9 | 62708072 |
10 | 30179936 |
11 | 160436a6 |
12 | a1352a8 |
13 | 6338b67 |
14 | 401873a |
15 | 29b230b |
hex | 1cc8260 |
30179936 has 24 divisors (see below), whose sum is σ = 60868584. Its totient is φ = 14721280.
The previous prime is 30179921. The next prime is 30179959. The reversal of 30179936 is 63997103.
It is a self number, because there is not a number n which added to its sum of digits gives 30179936.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10190 + ... + 12813.
It is an arithmetic number, because the mean of its divisors is an integer number (2536191).
Almost surely, 230179936 is an apocalyptic number.
It is an amenable number.
30179936 is an abundant number, since it is smaller than the sum of its proper divisors (30688648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30179936 is a wasteful number, since it uses less digits than its factorization.
30179936 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23054 (or 23046 counting only the distinct ones).
The product of its (nonzero) digits is 30618, while the sum is 38.
The square root of 30179936 is about 5493.6268529998. The cubic root of 30179936 is about 311.3432382506.
The spelling of 30179936 in words is "thirty million, one hundred seventy-nine thousand, nine hundred thirty-six".
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