Base | Representation |
---|---|
bin | 111010010100… |
… | …0010000111001 |
3 | 2010112022010111 |
4 | 1310220100321 |
5 | 30311324000 |
6 | 3011144321 |
7 | 520604635 |
oct | 164502071 |
9 | 63468114 |
10 | 30573625 |
11 | 16292465 |
12 | a2a50a1 |
13 | 6446104 |
14 | 40bbdc5 |
15 | 2a3dcba |
hex | 1d28439 |
30573625 has 8 divisors (see below), whose sum is σ = 38156040. Its totient is φ = 24458800.
The previous prime is 30573617. The next prime is 30573649. The reversal of 30573625 is 52637503.
It can be written as a sum of positive squares in 4 ways, for example, as 59049 + 30514576 = 243^2 + 5524^2 .
It is not a de Polignac number, because 30573625 - 23 = 30573617 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122170 + ... + 122419.
It is an arithmetic number, because the mean of its divisors is an integer number (4769505).
Almost surely, 230573625 is an apocalyptic number.
It is an amenable number.
30573625 is a deficient number, since it is larger than the sum of its proper divisors (7582415).
30573625 is an equidigital number, since it uses as much as digits as its factorization.
30573625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244604 (or 244594 counting only the distinct ones).
The product of its (nonzero) digits is 18900, while the sum is 31.
The square root of 30573625 is about 5529.3421851067. The cubic root of 30573625 is about 312.6911896716.
The spelling of 30573625 in words is "thirty million, five hundred seventy-three thousand, six hundred twenty-five".
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