Base | Representation |
---|---|
bin | 111001100001… |
… | …1100110010100 |
3 | 2002202100112012 |
4 | 1303003212110 |
5 | 30210130200 |
6 | 2554243352 |
7 | 514236551 |
oct | 163034624 |
9 | 62670465 |
10 | 30161300 |
11 | 160306a4 |
12 | a126558 |
13 | 6330530 |
14 | 4011a28 |
15 | 29aba35 |
hex | 1cc3994 |
30161300 has 36 divisors (see below), whose sum is σ = 70487676. Its totient is φ = 11136000.
The previous prime is 30161279. The next prime is 30161333. The reversal of 30161300 is 316103.
It can be written as a sum of positive squares in 6 ways, for example, as 174724 + 29986576 = 418^2 + 5476^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10301 + ... + 12900.
It is an arithmetic number, because the mean of its divisors is an integer number (1957991).
Almost surely, 230161300 is an apocalyptic number.
It is an amenable number.
30161300 is an abundant number, since it is smaller than the sum of its proper divisors (40326376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30161300 is a wasteful number, since it uses less digits than its factorization.
30161300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23228 (or 23221 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 30161300 is about 5491.9304438421. The cubic root of 30161300 is about 311.2791406188.
Adding to 30161300 its reverse (316103), we get a palindrome (30477403).
The spelling of 30161300 in words is "thirty million, one hundred sixty-one thousand, three hundred".
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