Base | Representation |
---|---|
bin | 111010001110… |
… | …0011100010001 |
3 | 2010102211201000 |
4 | 1310130130101 |
5 | 30303301301 |
6 | 3010132213 |
7 | 520313520 |
oct | 164343421 |
9 | 63384630 |
10 | 30525201 |
11 | 1625a043 |
12 | a281069 |
13 | 642a065 |
14 | 40a84b7 |
15 | 2a2e786 |
hex | 1d1c711 |
30525201 has 32 divisors (see below), whose sum is σ = 51941120. Its totient is φ = 17356032.
The previous prime is 30525199. The next prime is 30525203. The reversal of 30525201 is 10252503.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30525199) and next prime (30525203).
It is not a de Polignac number, because 30525201 - 21 = 30525199 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30525203) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70281 + ... + 70713.
It is an arithmetic number, because the mean of its divisors is an integer number (1623160).
Almost surely, 230525201 is an apocalyptic number.
It is an amenable number.
30525201 is a deficient number, since it is larger than the sum of its proper divisors (21415919).
30525201 is a wasteful number, since it uses less digits than its factorization.
30525201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 822 (or 816 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 30525201 is about 5524.9616288260. The cubic root of 30525201 is about 312.5260172472.
Adding to 30525201 its reverse (10252503), we get a palindrome (40777704).
The spelling of 30525201 in words is "thirty million, five hundred twenty-five thousand, two hundred one".
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