Base | Representation |
---|---|
bin | 101101011010… |
… | …0010100101000 |
3 | 1122210112102211 |
4 | 1122310110220 |
5 | 22043313042 |
6 | 2210134504 |
7 | 406233646 |
oct | 132642450 |
9 | 48715384 |
10 | 23807272 |
11 | 12490835 |
12 | 7b81434 |
13 | 4c17358 |
14 | 323a196 |
15 | 2154017 |
hex | 16b4528 |
23807272 has 8 divisors (see below), whose sum is σ = 44638650. Its totient is φ = 11903632.
The previous prime is 23807269. The next prime is 23807279. The reversal of 23807272 is 27270832.
It can be written as a sum of positive squares in only one way, i.e., 16112196 + 7695076 = 4014^2 + 2774^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (23807279) 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 as a sum of consecutive naturals, namely, 1487947 + ... + 1487962.
Almost surely, 223807272 is an apocalyptic number.
It is an amenable number.
23807272 is a deficient number, since it is larger than the sum of its proper divisors (20831378).
23807272 is a wasteful number, since it uses less digits than its factorization.
23807272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2975915 (or 2975911 counting only the distinct ones).
The product of its (nonzero) digits is 9408, while the sum is 31.
The square root of 23807272 is about 4879.2696174735. The cubic root of 23807272 is about 287.6757216875.
It can be divided in two parts, 238072 and 72, that added together give a square (238144 = 4882).
The spelling of 23807272 in words is "twenty-three million, eight hundred seven thousand, two hundred seventy-two".
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