Base | Representation |
---|---|
bin | 1110101001001… |
… | …0101111110101 |
3 | 11021120101022201 |
4 | 3222102233311 |
5 | 111210342420 |
6 | 10032224501 |
7 | 1344022432 |
oct | 352225765 |
9 | 137511281 |
10 | 61418485 |
11 | 3173a687 |
12 | 1869b131 |
13 | c9557cb |
14 | 822ab89 |
15 | 55d310a |
hex | 3a92bf5 |
61418485 has 8 divisors (see below), whose sum is σ = 73850040. Its totient is φ = 49036224.
The previous prime is 61418453. The next prime is 61418509. The reversal of 61418485 is 58481416.
It can be written as a sum of positive squares in 4 ways, for example, as 12404484 + 49014001 = 3522^2 + 7001^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 61418485 - 25 = 61418453 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9522 + ... + 14611.
It is an arithmetic number, because the mean of its divisors is an integer number (9231255).
Almost surely, 261418485 is an apocalyptic number.
It is an amenable number.
61418485 is a deficient number, since it is larger than the sum of its proper divisors (12431555).
61418485 is a wasteful number, since it uses less digits than its factorization.
61418485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24647.
The product of its digits is 30720, while the sum is 37.
The square root of 61418485 is about 7836.9946408046. The cubic root of 61418485 is about 394.5478670079.
The spelling of 61418485 in words is "sixty-one million, four hundred eighteen thousand, four hundred eighty-five".
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