Base | Representation |
---|---|
bin | 1110100100001… |
… | …0001011100001 |
3 | 11020221121122100 |
4 | 3221002023201 |
5 | 111114312411 |
6 | 10021201013 |
7 | 1341146346 |
oct | 351021341 |
9 | 136847570 |
10 | 61088481 |
11 | 31534753 |
12 | 18560169 |
13 | c86b53c |
14 | 81827cd |
15 | 556a456 |
hex | 3a422e1 |
61088481 has 6 divisors (see below), whose sum is σ = 88238930. Its totient is φ = 40725648.
The previous prime is 61088473. The next prime is 61088501. The reversal of 61088481 is 18488016.
It can be written as a sum of positive squares in only one way, i.e., 46457856 + 14630625 = 6816^2 + 3825^2 .
It is not a de Polignac number, because 61088481 - 23 = 61088473 is a prime.
It is a super-2 number, since 2×610884812 = 7463605021774722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (61088411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3393796 + ... + 3393813.
Almost surely, 261088481 is an apocalyptic number.
It is an amenable number.
61088481 is a deficient number, since it is larger than the sum of its proper divisors (27150449).
61088481 is a wasteful number, since it uses less digits than its factorization.
61088481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6787615 (or 6787612 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 36.
The square root of 61088481 is about 7815.9120389114. The cubic root of 61088481 is about 393.8399570732.
The spelling of 61088481 in words is "sixty-one million, eighty-eight thousand, four hundred eighty-one".
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