Base | Representation |
---|---|
bin | 101100000000… |
… | …1000110010001 |
3 | 1121102020102211 |
4 | 1120001012101 |
5 | 21401320134 |
6 | 2142312121 |
7 | 400055500 |
oct | 130010621 |
9 | 47366384 |
10 | 23073169 |
11 | 1202a239 |
12 | 7888641 |
13 | 4a1b182 |
14 | 30c8837 |
15 | 205b764 |
hex | 1601191 |
23073169 has 6 divisors (see below), whose sum is σ = 26840274. Its totient is φ = 19776960.
The previous prime is 23073157. The next prime is 23073187. The reversal of 23073169 is 96137032.
It can be written as a sum of positive squares in only one way, i.e., 22924944 + 148225 = 4788^2 + 385^2 .
It is not a de Polignac number, because 23073169 - 25 = 23073137 is a prime.
It is a super-2 number, since 2×230731692 = 1064742255405122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23073169.
It is not an unprimeable number, because it can be changed into a prime (23073469) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235392 + ... + 235489.
It is an arithmetic number, because the mean of its divisors is an integer number (4473379).
Almost surely, 223073169 is an apocalyptic number.
It is an amenable number.
23073169 is a deficient number, since it is larger than the sum of its proper divisors (3767105).
23073169 is an equidigital number, since it uses as much as digits as its factorization.
23073169 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 470895 (or 470888 counting only the distinct ones).
The product of its (nonzero) digits is 6804, while the sum is 31.
The square root of 23073169 is about 4803.4538615459. The cubic root of 23073169 is about 284.6879481835.
It can be divided in two parts, 2307 and 3169, that added together give a square (5476 = 742).
The spelling of 23073169 in words is "twenty-three million, seventy-three thousand, one hundred sixty-nine".
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