Base | Representation |
---|---|
bin | 10100011001000… |
… | …10110000100001 |
3 | 102220212202120002 |
4 | 22030202300201 |
5 | 322242412012 |
6 | 24550225345 |
7 | 4144662644 |
oct | 1214426041 |
9 | 386782502 |
10 | 171060257 |
11 | 88617115 |
12 | 49355255 |
13 | 29593ab4 |
14 | 18a0ba5b |
15 | 1003e7c2 |
hex | a322c21 |
171060257 has 2 divisors, whose sum is σ = 171060258. Its totient is φ = 171060256.
The previous prime is 171060251. The next prime is 171060259. The reversal of 171060257 is 752060171.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 171060241 + 16 = 13079^2 + 4^2 .
It is a cyclic number.
It is not a de Polignac number, because 171060257 - 210 = 171059233 is a prime.
It is a super-2 number, since 2×1710602572 = 58523223049812098, which contains 22 as substring.
Together with 171060259, it forms a pair of twin primes.
It is a Chen prime.
It is a pancake number, because a pancake can be divided into 171060257 parts by 18496 straight cuts.
It is not a weakly prime, because it can be changed into another prime (171060251) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85530128 + 85530129.
It is an arithmetic number, because the mean of its divisors is an integer number (85530129).
Almost surely, 2171060257 is an apocalyptic number.
It is an amenable number.
171060257 is a deficient number, since it is larger than the sum of its proper divisors (1).
171060257 is an equidigital number, since it uses as much as digits as its factorization.
171060257 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2940, while the sum is 29.
The square root of 171060257 is about 13079.0006116675. Note that the first 3 decimals coincide. The cubic root of 171060257 is about 555.1150988188.
The spelling of 171060257 in words is "one hundred seventy-one million, sixty thousand, two hundred fifty-seven".
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