Base | Representation |
---|---|
bin | 111010011110… |
… | …1000001010001 |
3 | 2010200121202020 |
4 | 1310331001101 |
5 | 30322034031 |
6 | 3013042053 |
7 | 521410536 |
oct | 164750121 |
9 | 63617666 |
10 | 30658641 |
11 | 16340322 |
12 | a326329 |
13 | 6475a10 |
14 | 4100d8d |
15 | 2a59096 |
hex | 1d3d051 |
30658641 has 16 divisors (see below), whose sum is σ = 44189376. Its totient is φ = 18795456.
The previous prime is 30658619. The next prime is 30658669. The reversal of 30658641 is 14685603.
It is not a de Polignac number, because 30658641 - 26 = 30658577 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30658601) 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, 10086 + ... + 12768.
It is an arithmetic number, because the mean of its divisors is an integer number (2761836).
Almost surely, 230658641 is an apocalyptic number.
It is an amenable number.
30658641 is a deficient number, since it is larger than the sum of its proper divisors (13530735).
30658641 is a wasteful number, since it uses less digits than its factorization.
30658641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2992.
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 30658641 is about 5537.0245619827. The cubic root of 30658641 is about 312.9807546340.
The spelling of 30658641 in words is "thirty million, six hundred fifty-eight thousand, six hundred forty-one".
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