Base | Representation |
---|---|
bin | 10010001000111… |
… | …10000010100001 |
3 | 101121022212021120 |
4 | 21010132002201 |
5 | 302423312221 |
6 | 23033242453 |
7 | 3525252201 |
oct | 1104360241 |
9 | 347285246 |
10 | 152166561 |
11 | 78991a98 |
12 | 42b63429 |
13 | 256aa0b1 |
14 | 162d0401 |
15 | d55b5c6 |
hex | 911e0a1 |
152166561 has 16 divisors (see below), whose sum is σ = 208373760. Its totient is φ = 98738640.
The previous prime is 152166523. The next prime is 152166563. The reversal of 152166561 is 165661251.
It is not a de Polignac number, because 152166561 - 27 = 152166433 is a prime.
It is not an unprimeable number, because it can be changed into a prime (152166563) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12306 + ... + 21348.
It is an arithmetic number, because the mean of its divisors is an integer number (13023360).
Almost surely, 2152166561 is an apocalyptic number.
It is an amenable number.
152166561 is a deficient number, since it is larger than the sum of its proper divisors (56207199).
152166561 is an equidigital number, since it uses as much as digits as its factorization.
152166561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9196.
The product of its digits is 10800, while the sum is 33.
The square root of 152166561 is about 12335.5810969731. The cubic root of 152166561 is about 533.8751935176.
The spelling of 152166561 in words is "one hundred fifty-two million, one hundred sixty-six thousand, five hundred sixty-one".
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