Base | Representation |
---|---|
bin | 1110100100011… |
… | …1111110100001 |
3 | 11020222211012202 |
4 | 3221013332201 |
5 | 111121042400 |
6 | 10021502545 |
7 | 1341305516 |
oct | 351077641 |
9 | 136884182 |
10 | 61112225 |
11 | 31550579 |
12 | 18571a55 |
13 | c8792a5 |
14 | 818b30d |
15 | 55724d5 |
hex | 3a47fa1 |
61112225 has 12 divisors (see below), whose sum is σ = 76088880. Its totient is φ = 48690000.
The previous prime is 61112213. The next prime is 61112237. The reversal of 61112225 is 52221116.
It is an interprime number because it is at equal distance from previous prime (61112213) and next prime (61112237).
It is not a de Polignac number, because 61112225 - 218 = 60850081 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 61112197 and 61112206.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1406 + ... + 11144.
It is an arithmetic number, because the mean of its divisors is an integer number (6340740).
Almost surely, 261112225 is an apocalyptic number.
It is an amenable number.
61112225 is a deficient number, since it is larger than the sum of its proper divisors (14976655).
61112225 is a wasteful number, since it uses less digits than its factorization.
61112225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10000 (or 9995 counting only the distinct ones).
The product of its digits is 240, while the sum is 20.
The square root of 61112225 is about 7817.4308439538. The cubic root of 61112225 is about 393.8909766462.
The spelling of 61112225 in words is "sixty-one million, one hundred twelve thousand, two hundred twenty-five".
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