Base | Representation |
---|---|
bin | 1110100011100… |
… | …0001011100101 |
3 | 11020212112110110 |
4 | 3220320023211 |
5 | 111112010100 |
6 | 10020243233 |
7 | 1340616060 |
oct | 350701345 |
9 | 136775413 |
10 | 61047525 |
11 | 31506a00 |
12 | 18540519 |
13 | c8559c6 |
14 | 81718d7 |
15 | 555d250 |
hex | 3a382e5 |
61047525 has 108 divisors (see below), whose sum is σ = 131012448. Its totient is φ = 24552000.
The previous prime is 61047473. The next prime is 61047533. The reversal of 61047525 is 52574016.
61047525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 61047525 - 28 = 61047269 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 61047492 and 61047501.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1969260 + ... + 1969290.
Almost surely, 261047525 is an apocalyptic number.
It is an amenable number.
61047525 is an abundant number, since it is smaller than the sum of its proper divisors (69964923).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61047525 is a wasteful number, since it uses less digits than its factorization.
61047525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104 (or 57 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 30.
The square root of 61047525 is about 7813.2915598997. The cubic root of 61047525 is about 393.7519223892.
Multiplying 61047525 by its product of nonzero digits (8400), we get a square (512799210000 = 7161002).
The spelling of 61047525 in words is "sixty-one million, forty-seven thousand, five hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •