Base | Representation |
---|---|
bin | 101111011111… |
… | …1100101111101 |
3 | 1201212011010210 |
4 | 1132333211331 |
5 | 22333331023 |
6 | 2245423033 |
7 | 421443423 |
oct | 136774575 |
9 | 51764123 |
10 | 24902013 |
11 | 13069284 |
12 | 840aa79 |
13 | 520b726 |
14 | 3443113 |
15 | 22bd593 |
hex | 17bf97d |
24902013 has 4 divisors (see below), whose sum is σ = 33202688. Its totient is φ = 16601340.
The previous prime is 24901993. The next prime is 24902029. The reversal of 24902013 is 31020942.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 24902013 - 221 = 22804861 is a prime.
It is a super-2 number, since 2×249020132 = 1240220502904338, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (24902063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4150333 + ... + 4150338.
It is an arithmetic number, because the mean of its divisors is an integer number (8300672).
Almost surely, 224902013 is an apocalyptic number.
It is an amenable number.
24902013 is a deficient number, since it is larger than the sum of its proper divisors (8300675).
24902013 is an equidigital number, since it uses as much as digits as its factorization.
24902013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8300674.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 24902013 is about 4990.1916796853. The cubic root of 24902013 is about 292.0192526556.
Adding to 24902013 its reverse (31020942), we get a palindrome (55922955).
The spelling of 24902013 in words is "twenty-four million, nine hundred two thousand, thirteen".
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