Base | Representation |
---|---|
bin | 10100001100110… |
… | …11010110100001 |
3 | 102210212022101022 |
4 | 22012123112201 |
5 | 321340111212 |
6 | 24452015225 |
7 | 4125234620 |
oct | 1206332641 |
9 | 383768338 |
10 | 169457057 |
11 | 87721660 |
12 | 48901515 |
13 | 29152163 |
14 | 187116b7 |
15 | ed24772 |
hex | a19b5a1 |
169457057 has 16 divisors (see below), whose sum is σ = 212352000. Its totient is φ = 131369040.
The previous prime is 169457051. The next prime is 169457111. The reversal of 169457057 is 750754961.
It is not a de Polignac number, because 169457057 - 212 = 169452961 is a prime.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 169456999 and 169457017.
It is not an unprimeable number, because it can be changed into a prime (169457051) 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 in 15 ways as a sum of consecutive naturals, for example, 9794 + ... + 20852.
It is an arithmetic number, because the mean of its divisors is an integer number (13272000).
Almost surely, 2169457057 is an apocalyptic number.
It is an amenable number.
169457057 is a deficient number, since it is larger than the sum of its proper divisors (42894943).
169457057 is a wasteful number, since it uses less digits than its factorization.
169457057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11276.
The product of its (nonzero) digits is 264600, while the sum is 44.
The square root of 169457057 is about 13017.5672458413. The cubic root of 169457057 is about 553.3754479566.
The spelling of 169457057 in words is "one hundred sixty-nine million, four hundred fifty-seven thousand, fifty-seven".
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