Base | Representation |
---|---|
bin | 111010000000… |
… | …1000101000101 |
3 | 2010020010222001 |
4 | 1310001011011 |
5 | 30241210000 |
6 | 3003505301 |
7 | 516336001 |
oct | 164010505 |
9 | 63203861 |
10 | 30413125 |
11 | 16192916 |
12 | a228231 |
13 | 63bb042 |
14 | 4079701 |
15 | 2a0b46a |
hex | 1d01145 |
30413125 has 10 divisors (see below), whose sum is σ = 38005022. Its totient is φ = 24330000.
The previous prime is 30413101. The next prime is 30413137. The reversal of 30413125 is 52131403.
It can be written as a sum of positive squares in 5 ways, for example, as 15038884 + 15374241 = 3878^2 + 3921^2 .
It is a de Polignac number, because none of the positive numbers 2k-30413125 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 23706 + ... + 24955.
Almost surely, 230413125 is an apocalyptic number.
It is an amenable number.
30413125 is a deficient number, since it is larger than the sum of its proper divisors (7591897).
30413125 is an frugal number, since it uses more digits than its factorization.
30413125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48681 (or 48666 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 30413125 is about 5514.8096068677. The cubic root of 30413125 is about 312.1430591202.
Adding to 30413125 its reverse (52131403), we get a palindrome (82544528).
The spelling of 30413125 in words is "thirty million, four hundred thirteen thousand, one hundred twenty-five".
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