Base | Representation |
---|---|
bin | 1110101001111… |
… | …0011001110001 |
3 | 11021122210210212 |
4 | 3222132121301 |
5 | 111213404400 |
6 | 10033233505 |
7 | 1344311552 |
oct | 352363161 |
9 | 137583725 |
10 | 61466225 |
11 | 31772537 |
12 | 18702895 |
13 | c971462 |
14 | 8240329 |
15 | 55e2335 |
hex | 3a9e671 |
61466225 has 24 divisors (see below), whose sum is σ = 79515000. Its totient is φ = 47075840.
The previous prime is 61466183. The next prime is 61466227. The reversal of 61466225 is 52266416.
It can be written as a sum of positive squares in 12 ways, for example, as 39150049 + 22316176 = 6257^2 + 4724^2 .
It is not a de Polignac number, because 61466225 - 220 = 60417649 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 61466191 and 61466200.
It is not an unprimeable number, because it can be changed into a prime (61466227) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107741 + ... + 108309.
It is an arithmetic number, because the mean of its divisors is an integer number (3313125).
Almost surely, 261466225 is an apocalyptic number.
It is an amenable number.
61466225 is a deficient number, since it is larger than the sum of its proper divisors (18048775).
61466225 is a wasteful number, since it uses less digits than its factorization.
61466225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 757 (or 752 counting only the distinct ones).
The product of its digits is 17280, while the sum is 32.
The square root of 61466225 is about 7840.0398595926. The cubic root of 61466225 is about 394.6500666252.
The spelling of 61466225 in words is "sixty-one million, four hundred sixty-six thousand, two hundred twenty-five".
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