Base | Representation |
---|---|
bin | 111010111001… |
… | …1110100111010 |
3 | 2011010000200122 |
4 | 1311303310322 |
5 | 30401230010 |
6 | 3021533242 |
7 | 523334165 |
oct | 165636472 |
9 | 64100618 |
10 | 30883130 |
11 | 16483a53 |
12 | a414222 |
13 | 6523c55 |
14 | 415cadc |
15 | 2aa0855 |
hex | 1d73d3a |
30883130 has 16 divisors (see below), whose sum is σ = 57383424. Its totient is φ = 11954640.
The previous prime is 30883129. The next prime is 30883147. The reversal of 30883130 is 3138803.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30883130.
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, 49502 + ... + 50121.
It is an arithmetic number, because the mean of its divisors is an integer number (3586464).
Almost surely, 230883130 is an apocalyptic number.
30883130 is a deficient number, since it is larger than the sum of its proper divisors (26500294).
30883130 is a wasteful number, since it uses less digits than its factorization.
30883130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99661.
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 30883130 is about 5557.2592165563. The cubic root of 30883130 is about 313.7428012718.
It can be divided in two parts, 30883 and 130, that added together give a palindrome (31013).
The spelling of 30883130 in words is "thirty million, eight hundred eighty-three thousand, one hundred thirty".
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