Base | Representation |
---|---|
bin | 1110101100010… |
… | …1001100100101 |
3 | 11021221212210001 |
4 | 3223011030211 |
5 | 111234001000 |
6 | 10040501301 |
7 | 1345543042 |
oct | 353051445 |
9 | 137855701 |
10 | 61625125 |
11 | 31870961 |
12 | 1877a831 |
13 | c9c8893 |
14 | 82821c9 |
15 | 562446a |
hex | 3ac5325 |
61625125 has 8 divisors (see below), whose sum is σ = 76908312. Its totient is φ = 49300000.
The previous prime is 61625107. The next prime is 61625141. The reversal of 61625125 is 52152616.
61625125 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 925444 + 60699681 = 962^2 + 7791^2 .
It is not a de Polignac number, because 61625125 - 217 = 61494053 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 61625093 and 61625102.
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 7 ways as a sum of consecutive naturals, for example, 246376 + ... + 246625.
It is an arithmetic number, because the mean of its divisors is an integer number (9613539).
Almost surely, 261625125 is an apocalyptic number.
It is an amenable number.
61625125 is a deficient number, since it is larger than the sum of its proper divisors (15283187).
61625125 is an equidigital number, since it uses as much as digits as its factorization.
61625125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 493016 (or 493006 counting only the distinct ones).
The product of its digits is 3600, while the sum is 28.
The square root of 61625125 is about 7850.1671956717. The cubic root of 61625125 is about 394.9898517929.
The spelling of 61625125 in words is "sixty-one million, six hundred twenty-five thousand, one hundred twenty-five".
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