Base | Representation |
---|---|
bin | 101100011000… |
… | …1010000101101 |
3 | 1121210021001100 |
4 | 1120301100231 |
5 | 21424123240 |
6 | 2150433313 |
7 | 401536602 |
oct | 130612055 |
9 | 47707040 |
10 | 23270445 |
11 | 12154480 |
12 | 7962839 |
13 | 4a89bc3 |
14 | 313a6a9 |
15 | 2099e30 |
hex | 163142d |
23270445 has 48 divisors (see below), whose sum is σ = 44883072. Its totient is φ = 11057280.
The previous prime is 23270437. The next prime is 23270449. The reversal of 23270445 is 54407232.
It is not a de Polignac number, because 23270445 - 23 = 23270437 is a prime.
It is a super-2 number, since 2×232704452 = 1083027220996050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23270449) 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 47 ways as a sum of consecutive naturals, for example, 25792 + ... + 26678.
It is an arithmetic number, because the mean of its divisors is an integer number (935064).
Almost surely, 223270445 is an apocalyptic number.
It is an amenable number.
23270445 is a deficient number, since it is larger than the sum of its proper divisors (21612627).
23270445 is a wasteful number, since it uses less digits than its factorization.
23270445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 962 (or 959 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 27.
The square root of 23270445 is about 4823.9449623726. The cubic root of 23270445 is about 285.4970090360.
Adding to 23270445 its reverse (54407232), we get a palindrome (77677677).
The spelling of 23270445 in words is "twenty-three million, two hundred seventy thousand, four hundred forty-five".
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