Base | Representation |
---|---|
bin | 10011101010010… |
… | …10001010010001 |
3 | 102111100022200200 |
4 | 21311022022101 |
5 | 314210231233 |
6 | 24211005413 |
7 | 4041612021 |
oct | 1165121221 |
9 | 374308620 |
10 | 164930193 |
11 | 8510a54a |
12 | 47299869 |
13 | 2822883c |
14 | 17c93a81 |
15 | e72d313 |
hex | 9d4a291 |
164930193 has 24 divisors (see below), whose sum is σ = 243397440. Its totient is φ = 107587680.
The previous prime is 164930147. The next prime is 164930197. The reversal of 164930193 is 391039461.
164930193 is a `hidden beast` number, since 1 + 649 + 3 + 0 + 1 + 9 + 3 = 666.
It is not a de Polignac number, because 164930193 - 213 = 164922001 is a prime.
It is not an unprimeable number, because it can be changed into a prime (164930197) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139063 + ... + 140243.
It is an arithmetic number, because the mean of its divisors is an integer number (10141560).
Almost surely, 2164930193 is an apocalyptic number.
It is an amenable number.
164930193 is a deficient number, since it is larger than the sum of its proper divisors (78467247).
164930193 is a wasteful number, since it uses less digits than its factorization.
164930193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1509 (or 1506 counting only the distinct ones).
The product of its (nonzero) digits is 17496, while the sum is 36.
The square root of 164930193 is about 12842.5150574177. The cubic root of 164930193 is about 548.4032952637.
The spelling of 164930193 in words is "one hundred sixty-four million, nine hundred thirty thousand, one hundred ninety-three".
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