Base | Representation |
---|---|
bin | 11101001001000… |
… | …11101000000011 |
3 | 122001000001202002 |
4 | 32210203220003 |
5 | 1000040323011 |
6 | 40131414215 |
7 | 6025624262 |
oct | 1644435003 |
9 | 561001662 |
10 | 244464131 |
11 | 115aa257a |
12 | 69a5436b |
13 | 3b854a42 |
14 | 246785d9 |
15 | 166ddc3b |
hex | e923a03 |
244464131 has 4 divisors (see below), whose sum is σ = 258844392. Its totient is φ = 230083872.
The previous prime is 244464107. The next prime is 244464139. The reversal of 244464131 is 131464442.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131464442 = 2 ⋅65732221.
It is a cyclic number.
It is not a de Polignac number, because 244464131 - 26 = 244464067 is a prime.
It is a super-2 number, since 2×2444641312 = 119525422691170322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 244464094 and 244464103.
It is not an unprimeable number, because it can be changed into a prime (244464139) 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, 7190105 + ... + 7190138.
It is an arithmetic number, because the mean of its divisors is an integer number (64711098).
Almost surely, 2244464131 is an apocalyptic number.
244464131 is a deficient number, since it is larger than the sum of its proper divisors (14380261).
244464131 is a wasteful number, since it uses less digits than its factorization.
244464131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14380260.
The product of its digits is 9216, while the sum is 29.
The square root of 244464131 is about 15635.3487648981. The cubic root of 244464131 is about 625.2759366098.
The spelling of 244464131 in words is "two hundred forty-four million, four hundred sixty-four thousand, one hundred thirty-one".
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