Base | Representation |
---|---|
bin | 111010001110… |
… | …0101000000011 |
3 | 2010102212201221 |
4 | 1310130220003 |
5 | 30303312310 |
6 | 3010135511 |
7 | 520315645 |
oct | 164345003 |
9 | 63385657 |
10 | 30525955 |
11 | 1625a669 |
12 | a281597 |
13 | 642a4c5 |
14 | 40a8895 |
15 | 2a2eada |
hex | 1d1ca03 |
30525955 has 4 divisors (see below), whose sum is σ = 36631152. Its totient is φ = 24420760.
The previous prime is 30525949. The next prime is 30525967. The reversal of 30525955 is 55952503.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55952503 = 43 ⋅1301221.
It is not a de Polignac number, because 30525955 - 217 = 30394883 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30525955.
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 3 ways as a sum of consecutive naturals, for example, 3052591 + ... + 3052600.
It is an arithmetic number, because the mean of its divisors is an integer number (9157788).
Almost surely, 230525955 is an apocalyptic number.
30525955 is a deficient number, since it is larger than the sum of its proper divisors (6105197).
30525955 is an equidigital number, since it uses as much as digits as its factorization.
30525955 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6105196.
The product of its (nonzero) digits is 33750, while the sum is 34.
The square root of 30525955 is about 5525.0298641727. The cubic root of 30525955 is about 312.5285904509.
The spelling of 30525955 in words is "thirty million, five hundred twenty-five thousand, nine hundred fifty-five".
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