Base | Representation |
---|---|
bin | 10011100100000… |
… | …00001011010101 |
3 | 102102210021211001 |
4 | 21302000023111 |
5 | 314002242434 |
6 | 24141143301 |
7 | 4031565010 |
oct | 1162001325 |
9 | 372707731 |
10 | 164102869 |
11 | 846a4a07 |
12 | 46b5ab31 |
13 | 27cc90b8 |
14 | 17b1a377 |
15 | e618114 |
hex | 9c802d5 |
164102869 has 16 divisors (see below), whose sum is σ = 194463360. Its totient is φ = 135575520.
The previous prime is 164102863. The next prime is 164102891. The reversal of 164102869 is 968201461.
It is a happy number.
It is not a de Polignac number, because 164102869 - 29 = 164102357 is a prime.
It is a super-2 number, since 2×1641028692 = 53859503228062322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (164102863) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1977102 + ... + 1977184.
It is an arithmetic number, because the mean of its divisors is an integer number (12153960).
Almost surely, 2164102869 is an apocalyptic number.
It is an amenable number.
164102869 is a deficient number, since it is larger than the sum of its proper divisors (30360491).
164102869 is an frugal number, since it uses more digits than its factorization.
164102869 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 297 (or 131 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 37.
The square root of 164102869 is about 12810.2642049257. The cubic root of 164102869 is about 547.4847895804.
The spelling of 164102869 in words is "one hundred sixty-four million, one hundred two thousand, eight hundred sixty-nine".
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