Base | Representation |
---|---|
bin | 10010001000110… |
… | …11110000001101 |
3 | 101121022101102202 |
4 | 21010123300031 |
5 | 302423012242 |
6 | 23033131245 |
7 | 3525212663 |
oct | 1104336015 |
9 | 347271382 |
10 | 152157197 |
11 | 78985a55 |
12 | 42b59b25 |
13 | 256a5a5a |
14 | 162cac33 |
15 | d558932 |
hex | 911bc0d |
152157197 has 2 divisors, whose sum is σ = 152157198. Its totient is φ = 152157196.
The previous prime is 152157179. The next prime is 152157211. The reversal of 152157197 is 791751251.
It is a happy number.
Together with previous prime (152157179) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 136562596 + 15594601 = 11686^2 + 3949^2 .
It is a cyclic number.
It is not a de Polignac number, because 152157197 - 216 = 152091661 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 152157197.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (152157127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76078598 + 76078599.
It is an arithmetic number, because the mean of its divisors is an integer number (76078599).
Almost surely, 2152157197 is an apocalyptic number.
It is an amenable number.
152157197 is a deficient number, since it is larger than the sum of its proper divisors (1).
152157197 is an equidigital number, since it uses as much as digits as its factorization.
152157197 is an evil number, because the sum of its binary digits is even.
The product of its digits is 22050, while the sum is 38.
The square root of 152157197 is about 12335.2015386859. The cubic root of 152157197 is about 533.8642421193.
The spelling of 152157197 in words is "one hundred fifty-two million, one hundred fifty-seven thousand, one hundred ninety-seven".
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