Base | Representation |
---|---|
bin | 111001100111… |
… | …0111010001100 |
3 | 2002211201002001 |
4 | 1303032322030 |
5 | 30213121003 |
6 | 2555242044 |
7 | 514521613 |
oct | 163167214 |
9 | 62751061 |
10 | 30207628 |
11 | 16062490 |
12 | a149324 |
13 | 6348649 |
14 | 402487a |
15 | 29ba61d |
hex | 1ccee8c |
30207628 has 24 divisors (see below), whose sum is σ = 58028544. Its totient is φ = 13645200.
The previous prime is 30207581. The next prime is 30207637. The reversal of 30207628 is 82670203.
It is a junction number, because it is equal to n+sod(n) for n = 30207596 and 30207605.
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, 5293 + ... + 9403.
It is an arithmetic number, because the mean of its divisors is an integer number (2417856).
Almost surely, 230207628 is an apocalyptic number.
It is an amenable number.
30207628 is a deficient number, since it is larger than the sum of its proper divisors (27820916).
30207628 is a wasteful number, since it uses less digits than its factorization.
30207628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4293 (or 4291 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 30207628 is about 5496.1466501541. The cubic root of 30207628 is about 311.4384348442.
It can be divided in two parts, 3020 and 7628, that added together give a cube (10648 = 223).
The spelling of 30207628 in words is "thirty million, two hundred seven thousand, six hundred twenty-eight".
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