Base | Representation |
---|---|
bin | 10010101101110… |
… | …10010011000001 |
3 | 101221102110202001 |
4 | 21112322103001 |
5 | 310143012042 |
6 | 23325024001 |
7 | 3614325364 |
oct | 1126722301 |
9 | 357373661 |
10 | 157000897 |
11 | 80694109 |
12 | 446b5001 |
13 | 266b0651 |
14 | 16bcc0db |
15 | dbb3bb7 |
hex | 95ba4c1 |
157000897 has 2 divisors, whose sum is σ = 157000898. Its totient is φ = 157000896.
The previous prime is 157000889. The next prime is 157000927. The reversal of 157000897 is 798000751.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 98386561 + 58614336 = 9919^2 + 7656^2 .
It is a cyclic number.
It is not a de Polignac number, because 157000897 - 23 = 157000889 is a prime.
It is not a weakly prime, because it can be changed into another prime (157000807) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78500448 + 78500449.
It is an arithmetic number, because the mean of its divisors is an integer number (78500449).
Almost surely, 2157000897 is an apocalyptic number.
It is an amenable number.
157000897 is a deficient number, since it is larger than the sum of its proper divisors (1).
157000897 is an equidigital number, since it uses as much as digits as its factorization.
157000897 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 17640, while the sum is 37.
The square root of 157000897 is about 12529.9998802873. Note that the first 3 decimals coincide. The cubic root of 157000897 is about 539.4700986055.
The spelling of 157000897 in words is "one hundred fifty-seven million, eight hundred ninety-seven", and thus it is an aban number.
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