Base | Representation |
---|---|
bin | 101100000001… |
… | …0010001001001 |
3 | 1121102111000022 |
4 | 1120002101021 |
5 | 21401443321 |
6 | 2142350225 |
7 | 400105454 |
oct | 130022111 |
9 | 47374008 |
10 | 23077961 |
11 | 120328a5 |
12 | 788b375 |
13 | 4a203ca |
14 | 30ca49b |
15 | 205cdab |
hex | 1602449 |
23077961 has 2 divisors, whose sum is σ = 23077962. Its totient is φ = 23077960.
The previous prime is 23077937. The next prime is 23077963. The reversal of 23077961 is 16977032.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 19855936 + 3222025 = 4456^2 + 1795^2 .
It is a cyclic number.
It is not a de Polignac number, because 23077961 - 218 = 22815817 is a prime.
Together with 23077963, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (23077963) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11538980 + 11538981.
It is an arithmetic number, because the mean of its divisors is an integer number (11538981).
Almost surely, 223077961 is an apocalyptic number.
It is an amenable number.
23077961 is a deficient number, since it is larger than the sum of its proper divisors (1).
23077961 is an equidigital number, since it uses as much as digits as its factorization.
23077961 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15876, while the sum is 35.
The square root of 23077961 is about 4803.9526433969. The cubic root of 23077961 is about 284.7076554925.
The spelling of 23077961 in words is "twenty-three million, seventy-seven thousand, nine hundred sixty-one".
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