Base | Representation |
---|---|
bin | 1110100110110… |
… | …1001111001001 |
3 | 11021021120120012 |
4 | 3221231033021 |
5 | 111140433331 |
6 | 10025041305 |
7 | 1342512461 |
oct | 351551711 |
9 | 137246505 |
10 | 61264841 |
11 | 31645200 |
12 | 18626235 |
13 | c9008b1 |
14 | 81caba1 |
15 | 55a282b |
hex | 3a6d3c9 |
61264841 has 12 divisors (see below), whose sum is σ = 68109300. Its totient is φ = 55059840.
The previous prime is 61264831. The next prime is 61264843. The reversal of 61264841 is 14846216.
It can be written as a sum of positive squares in 2 ways, for example, as 37945600 + 23319241 = 6160^2 + 4829^2 .
It is a de Polignac number, because none of the positive numbers 2k-61264841 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 61264798 and 61264807.
It is not an unprimeable number, because it can be changed into a prime (61264843) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7925 + ... + 13613.
It is an arithmetic number, because the mean of its divisors is an integer number (5675775).
Almost surely, 261264841 is an apocalyptic number.
It is an amenable number.
61264841 is a deficient number, since it is larger than the sum of its proper divisors (6844459).
61264841 is a wasteful number, since it uses less digits than its factorization.
61264841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5800 (or 5789 counting only the distinct ones).
The product of its digits is 9216, while the sum is 32.
The square root of 61264841 is about 7827.1860205313. The cubic root of 61264841 is about 394.2185930028.
The spelling of 61264841 in words is "sixty-one million, two hundred sixty-four thousand, eight hundred forty-one".
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