Base | Representation |
---|---|
bin | 1110101000011… |
… | …0100100010101 |
3 | 11021110211220000 |
4 | 3222012210111 |
5 | 111202243342 |
6 | 10031201513 |
7 | 1343424123 |
oct | 352064425 |
9 | 137424800 |
10 | 61368597 |
11 | 31706154 |
12 | 18676299 |
13 | c938ba4 |
14 | 8216913 |
15 | 55c344c |
hex | 3a86915 |
61368597 has 20 divisors (see below), whose sum is σ = 91894176. Its totient is φ = 40814280.
The previous prime is 61368569. The next prime is 61368661. The reversal of 61368597 is 79586316.
It is a happy number.
It is not a de Polignac number, because 61368597 - 27 = 61368469 is a prime.
It is a super-2 number, since 2×613685972 = 7532209395496818, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61368547) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51822 + ... + 52992.
Almost surely, 261368597 is an apocalyptic number.
It is an amenable number.
61368597 is a deficient number, since it is larger than the sum of its proper divisors (30525579).
61368597 is a wasteful number, since it uses less digits than its factorization.
61368597 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1830 (or 1821 counting only the distinct ones).
The product of its digits is 272160, while the sum is 45.
The square root of 61368597 is about 7833.8111414560. The cubic root of 61368597 is about 394.4410124471.
The spelling of 61368597 in words is "sixty-one million, three hundred sixty-eight thousand, five hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •