Base | Representation |
---|---|
bin | 10011100100111… |
… | …11111001011001 |
3 | 102110000220001001 |
4 | 21302133321121 |
5 | 314020422133 |
6 | 24144025001 |
7 | 4032645544 |
oct | 1162377131 |
9 | 373026031 |
10 | 164232793 |
11 | 8478358a |
12 | 47002161 |
13 | 2804328a |
14 | 17b5185b |
15 | e64187d |
hex | 9c9fe59 |
164232793 has 4 divisors (see below), whose sum is σ = 165066660. Its totient is φ = 163398928.
The previous prime is 164232791. The next prime is 164232799. The reversal of 164232793 is 397232461.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 397232461 = 79 ⋅5028259.
It can be written as a sum of positive squares in 2 ways, for example, as 163123984 + 1108809 = 12772^2 + 1053^2 .
It is a cyclic number.
It is not a de Polignac number, because 164232793 - 21 = 164232791 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (164232791) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416638 + ... + 417031.
It is an arithmetic number, because the mean of its divisors is an integer number (41266665).
Almost surely, 2164232793 is an apocalyptic number.
It is an amenable number.
164232793 is a deficient number, since it is larger than the sum of its proper divisors (833867).
164232793 is an equidigital number, since it uses as much as digits as its factorization.
164232793 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 833866.
The product of its digits is 54432, while the sum is 37.
The square root of 164232793 is about 12815.3342913870. The cubic root of 164232793 is about 547.6292368822.
It can be divided in two parts, 164232 and 793, that added together give a triangular number (165025 = T574).
The spelling of 164232793 in words is "one hundred sixty-four million, two hundred thirty-two thousand, seven hundred ninety-three".
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