Base | Representation |
---|---|
bin | 111010011110… |
… | …0001010010010 |
3 | 2010200102220220 |
4 | 1310330022102 |
5 | 30321430442 |
6 | 3013013510 |
7 | 521364351 |
oct | 164741222 |
9 | 63612826 |
10 | 30655122 |
11 | 16338713 |
12 | a324296 |
13 | 6474234 |
14 | 40dd998 |
15 | 2a57eec |
hex | 1d3c292 |
30655122 has 16 divisors (see below), whose sum is σ = 61433760. Its totient is φ = 10197792.
The previous prime is 30655099. The next prime is 30655127. The reversal of 30655122 is 22155603.
It is a junction number, because it is equal to n+sod(n) for n = 30655092 and 30655101.
It is not an unprimeable number, because it can be changed into a prime (30655127) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1747 + ... + 8022.
It is an arithmetic number, because the mean of its divisors is an integer number (3839610).
Almost surely, 230655122 is an apocalyptic number.
30655122 is an abundant number, since it is smaller than the sum of its proper divisors (30778638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30655122 is a wasteful number, since it uses less digits than its factorization.
30655122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10297.
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 30655122 is about 5536.7067829171. The cubic root of 30655122 is about 312.9687795281.
The spelling of 30655122 in words is "thirty million, six hundred fifty-five thousand, one hundred twenty-two".
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