Base | Representation |
---|---|
bin | 1110100011001… |
… | …0110011101000 |
3 | 11020211102021011 |
4 | 3220302303220 |
5 | 111110304022 |
6 | 10015553304 |
7 | 1340464642 |
oct | 350626350 |
9 | 136742234 |
10 | 61025512 |
11 | 314a1409 |
12 | 1852b834 |
13 | c848992 |
14 | 8167892 |
15 | 5556977 |
hex | 3a32ce8 |
61025512 has 32 divisors (see below), whose sum is σ = 125339400. Its totient is φ = 27725824.
The previous prime is 61025479. The next prime is 61025527. The reversal of 61025512 is 21552016.
61025512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 56640676 + 4384836 = 7526^2 + 2094^2 .
It is a super-2 number, since 2×610255122 = 7448226229724288, which contains 22 as substring.
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 7 ways as a sum of consecutive naturals, for example, 3793 + ... + 11680.
Almost surely, 261025512 is an apocalyptic number.
It is an amenable number.
61025512 is an abundant number, since it is smaller than the sum of its proper divisors (64313888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61025512 is a wasteful number, since it uses less digits than its factorization.
61025512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15525 (or 15521 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 22.
The square root of 61025512 is about 7811.8827436157. The cubic root of 61025512 is about 393.7045893041.
Adding to 61025512 its reverse (21552016), we get a palindrome (82577528).
The spelling of 61025512 in words is "sixty-one million, twenty-five thousand, five hundred twelve".
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