Base | Representation |
---|---|
bin | 10010101110001… |
… | …10000010000001 |
3 | 101221111220200012 |
4 | 21113012002001 |
5 | 310201031321 |
6 | 23330034305 |
7 | 3614615456 |
oct | 1127060201 |
9 | 357456605 |
10 | 157048961 |
11 | 80717233 |
12 | 44718995 |
13 | 266c94a4 |
14 | 16c0182d |
15 | dbc305b |
hex | 95c6081 |
157048961 has 2 divisors, whose sum is σ = 157048962. Its totient is φ = 157048960.
The previous prime is 157048951. The next prime is 157048963. The reversal of 157048961 is 169840751.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 126135361 + 30913600 = 11231^2 + 5560^2 .
It is a cyclic number.
It is not a de Polignac number, because 157048961 - 26 = 157048897 is a prime.
Together with 157048963, 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 (157048963) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78524480 + 78524481.
It is an arithmetic number, because the mean of its divisors is an integer number (78524481).
Almost surely, 2157048961 is an apocalyptic number.
It is an amenable number.
157048961 is a deficient number, since it is larger than the sum of its proper divisors (1).
157048961 is an equidigital number, since it uses as much as digits as its factorization.
157048961 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 60480, while the sum is 41.
The square root of 157048961 is about 12531.9176904415. The cubic root of 157048961 is about 539.5251438225.
The spelling of 157048961 in words is "one hundred fifty-seven million, forty-eight thousand, nine hundred sixty-one".
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