Base | Representation |
---|---|
bin | 1110100100001… |
… | …1010011000001 |
3 | 11020221211220211 |
4 | 3221003103001 |
5 | 111114434212 |
6 | 10021234121 |
7 | 1341165604 |
oct | 351032301 |
9 | 136854824 |
10 | 61093057 |
11 | 31538133 |
12 | 18562941 |
13 | c87064c |
14 | 818433b |
15 | 556b9a7 |
hex | 3a434c1 |
61093057 has 2 divisors, whose sum is σ = 61093058. Its totient is φ = 61093056.
The previous prime is 61093051. The next prime is 61093093. The reversal of 61093057 is 75039016.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 47872561 + 13220496 = 6919^2 + 3636^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-61093057 is a prime.
It is a super-2 number, since 2×610930572 = 7464723227210498, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (61093051) 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 as a sum of consecutive naturals, namely, 30546528 + 30546529.
It is an arithmetic number, because the mean of its divisors is an integer number (30546529).
Almost surely, 261093057 is an apocalyptic number.
It is an amenable number.
61093057 is a deficient number, since it is larger than the sum of its proper divisors (1).
61093057 is an equidigital number, since it uses as much as digits as its factorization.
61093057 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5670, while the sum is 31.
The square root of 61093057 is about 7816.2047695797. The cubic root of 61093057 is about 393.8497907146.
The spelling of 61093057 in words is "sixty-one million, ninety-three thousand, fifty-seven".
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