Base | Representation |
---|---|
bin | 1110100100101… |
… | …0111100001001 |
3 | 11021000102212020 |
4 | 3221022330021 |
5 | 111121434421 |
6 | 10022035053 |
7 | 1341356064 |
oct | 351127411 |
9 | 137012766 |
10 | 61124361 |
11 | 31559701 |
12 | 18578a89 |
13 | c88197c |
14 | 81918db |
15 | 5575dc6 |
hex | 3a4af09 |
61124361 has 4 divisors (see below), whose sum is σ = 81499152. Its totient is φ = 40749572.
The previous prime is 61124359. The next prime is 61124389. The reversal of 61124361 is 16342116.
61124361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 61124361 - 21 = 61124359 is a prime.
It is not an unprimeable number, because it can be changed into a prime (61124461) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 10187391 + ... + 10187396.
It is an arithmetic number, because the mean of its divisors is an integer number (20374788).
Almost surely, 261124361 is an apocalyptic number.
It is an amenable number.
61124361 is a deficient number, since it is larger than the sum of its proper divisors (20374791).
61124361 is a wasteful number, since it uses less digits than its factorization.
61124361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20374790.
The product of its digits is 864, while the sum is 24.
The square root of 61124361 is about 7818.2070195154. The cubic root of 61124361 is about 393.9170485955.
Adding to 61124361 its reverse (16342116), we get a palindrome (77466477).
The spelling of 61124361 in words is "sixty-one million, one hundred twenty-four thousand, three hundred sixty-one".
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