Base | Representation |
---|---|
bin | 111001100011… |
… | …1111110000001 |
3 | 2002210021002012 |
4 | 1303013332001 |
5 | 30211213301 |
6 | 2554502305 |
7 | 514343003 |
oct | 163077601 |
9 | 62707065 |
10 | 30179201 |
11 | 16043098 |
12 | a134995 |
13 | 6338720 |
14 | 4018373 |
15 | 29b1ebb |
hex | 1cc7f81 |
30179201 has 16 divisors (see below), whose sum is σ = 34789440. Its totient is φ = 25945920.
The previous prime is 30179179. The next prime is 30179209. The reversal of 30179201 is 10297103.
It is not a de Polignac number, because 30179201 - 214 = 30162817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30179209) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14066 + ... + 16068.
It is an arithmetic number, because the mean of its divisors is an integer number (2174340).
Almost surely, 230179201 is an apocalyptic number.
It is an amenable number.
30179201 is a deficient number, since it is larger than the sum of its proper divisors (4610239).
30179201 is a wasteful number, since it uses less digits than its factorization.
30179201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2096.
The product of its (nonzero) digits is 378, while the sum is 23.
The square root of 30179201 is about 5493.5599568950. The cubic root of 30179201 is about 311.3407107531.
The spelling of 30179201 in words is "thirty million, one hundred seventy-nine thousand, two hundred one".
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