Base | Representation |
---|---|
bin | 101100010101… |
… | …0001010110101 |
3 | 1121201210012111 |
4 | 1120222022311 |
5 | 21422211042 |
6 | 2150051021 |
7 | 401356114 |
oct | 130521265 |
9 | 47653174 |
10 | 23241397 |
11 | 12134673 |
12 | 7949a71 |
13 | 4a7990a |
14 | 312dc7b |
15 | 2091517 |
hex | 162a2b5 |
23241397 has 4 divisors (see below), whose sum is σ = 24608556. Its totient is φ = 21874240.
The previous prime is 23241373. The next prime is 23241433. The reversal of 23241397 is 79314232.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 9036036 + 14205361 = 3006^2 + 3769^2 .
It is not a de Polignac number, because 23241397 - 27 = 23241269 is a prime.
It is a super-3 number, since 3×232413973 (a number of 23 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23241347) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683554 + ... + 683587.
It is an arithmetic number, because the mean of its divisors is an integer number (6152139).
Almost surely, 223241397 is an apocalyptic number.
It is an amenable number.
23241397 is a deficient number, since it is larger than the sum of its proper divisors (1367159).
23241397 is a wasteful number, since it uses less digits than its factorization.
23241397 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1367158.
The product of its digits is 9072, while the sum is 31.
The square root of 23241397 is about 4820.9332084152. The cubic root of 23241397 is about 285.3781662977.
It can be divided in two parts, 2324 and 1397, that added together give a square (3721 = 612).
The spelling of 23241397 in words is "twenty-three million, two hundred forty-one thousand, three hundred ninety-seven".
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