Base | Representation |
---|---|
bin | 1110101000011… |
… | …1000100000001 |
3 | 11021110221200010 |
4 | 3222013010001 |
5 | 111202330000 |
6 | 10031215133 |
7 | 1343433051 |
oct | 352070401 |
9 | 137427603 |
10 | 61370625 |
11 | 31707728 |
12 | 186774a9 |
13 | c939aa4 |
14 | 8217561 |
15 | 55c3d50 |
hex | 3a87101 |
61370625 has 40 divisors (see below), whose sum is σ = 103916736. Its totient is φ = 32200000.
The previous prime is 61370623. The next prime is 61370651. The reversal of 61370625 is 52607316.
It is not a de Polignac number, because 61370625 - 21 = 61370623 is a prime.
It is a super-2 number, since 2×613706252 = 7532707225781250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 61370592 and 61370601.
It is not an unprimeable number, because it can be changed into a prime (61370623) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 132895 + ... + 133355.
Almost surely, 261370625 is an apocalyptic number.
It is an amenable number.
61370625 is a deficient number, since it is larger than the sum of its proper divisors (42546111).
61370625 is an equidigital number, since it uses as much as digits as its factorization.
61370625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 555 (or 540 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 30.
The square root of 61370625 is about 7833.9405792998. The cubic root of 61370625 is about 394.4453573270.
The spelling of 61370625 in words is "sixty-one million, three hundred seventy thousand, six hundred twenty-five".
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