Base | Representation |
---|---|
bin | 101100001001… |
… | …0011100000001 |
3 | 1121112211212100 |
4 | 1120102130001 |
5 | 21411103233 |
6 | 2144021013 |
7 | 400502532 |
oct | 130223401 |
9 | 47484770 |
10 | 23144193 |
11 | 12078636 |
12 | 7901769 |
13 | 4a445b7 |
14 | 3106689 |
15 | 2072813 |
hex | 1612701 |
23144193 has 12 divisors (see below), whose sum is σ = 33979348. Its totient is φ = 15176160.
The previous prime is 23144171. The next prime is 23144201. The reversal of 23144193 is 39144132.
It can be written as a sum of positive squares in 2 ways, for example, as 2241009 + 20903184 = 1497^2 + 4572^2 .
It is not a de Polignac number, because 23144193 - 25 = 23144161 is a prime.
It is a super-4 number, since 4×231441934 (a number of 31 digits) contains 4444 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23144893) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20530 + ... + 21627.
Almost surely, 223144193 is an apocalyptic number.
It is an amenable number.
23144193 is a deficient number, since it is larger than the sum of its proper divisors (10835155).
23144193 is a wasteful number, since it uses less digits than its factorization.
23144193 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42224 (or 42221 counting only the distinct ones).
The product of its digits is 2592, while the sum is 27.
The square root of 23144193 is about 4810.8411946353. The cubic root of 23144193 is about 284.9797584886.
The spelling of 23144193 in words is "twenty-three million, one hundred forty-four thousand, one hundred ninety-three".
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