Base | Representation |
---|---|
bin | 1110110000111… |
… | …1001110000101 |
3 | 11022112021200200 |
4 | 3230033032011 |
5 | 111323201300 |
6 | 10051201113 |
7 | 1351245024 |
oct | 354171605 |
9 | 138467620 |
10 | 61928325 |
11 | 31a58738 |
12 | 188a6199 |
13 | caa38a4 |
14 | 83208bb |
15 | 5684200 |
hex | 3b0f385 |
61928325 has 36 divisors (see below), whose sum is σ = 111348900. Its totient is φ = 32901120.
The previous prime is 61928303. The next prime is 61928333. The reversal of 61928325 is 52382916.
61928325 is a `hidden beast` number, since 619 + 2 + 8 + 32 + 5 = 666.
It can be written as a sum of positive squares in 6 ways, for example, as 11716929 + 50211396 = 3423^2 + 7086^2 .
It is not a de Polignac number, because 61928325 - 26 = 61928261 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 61928325.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 100719 + ... + 101331.
It is an arithmetic number, because the mean of its divisors is an integer number (3093025).
Almost surely, 261928325 is an apocalyptic number.
It is an amenable number.
61928325 is a deficient number, since it is larger than the sum of its proper divisors (49420575).
61928325 is a wasteful number, since it uses less digits than its factorization.
61928325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1078 (or 1070 counting only the distinct ones).
The product of its digits is 25920, while the sum is 36.
The square root of 61928325 is about 7869.4551907994. The cubic root of 61928325 is about 395.6365850175.
The spelling of 61928325 in words is "sixty-one million, nine hundred twenty-eight thousand, three hundred twenty-five".
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