Base | Representation |
---|---|
bin | 111010011100… |
… | …1110101100001 |
3 | 2010122221212021 |
4 | 1310321311201 |
5 | 30321124401 |
6 | 3012501441 |
7 | 521324530 |
oct | 164716541 |
9 | 63587767 |
10 | 30645601 |
11 | 16331548 |
12 | a31a881 |
13 | 646cabc |
14 | 40da317 |
15 | 2a552a1 |
hex | 1d39d61 |
30645601 has 16 divisors (see below), whose sum is σ = 35799040. Its totient is φ = 25693200.
The previous prime is 30645581. The next prime is 30645649. The reversal of 30645601 is 10654603.
It is a cyclic number.
It is not a de Polignac number, because 30645601 - 29 = 30645089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30645691) 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, 83320 + ... + 83686.
It is an arithmetic number, because the mean of its divisors is an integer number (2237440).
Almost surely, 230645601 is an apocalyptic number.
It is an amenable number.
30645601 is a deficient number, since it is larger than the sum of its proper divisors (5153439).
30645601 is a wasteful number, since it uses less digits than its factorization.
30645601 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 604.
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 30645601 is about 5535.8469090104. The cubic root of 30645601 is about 312.9363751087.
The spelling of 30645601 in words is "thirty million, six hundred forty-five thousand, six hundred one".
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