Base | Representation |
---|---|
bin | 1001000011101100… |
… | …1101110111111111 |
3 | 20021110012001222101 |
4 | 2100323031313333 |
5 | 14434422124211 |
6 | 1041134125531 |
7 | 114152630305 |
oct | 22073156777 |
9 | 6243161871 |
10 | 2431442431 |
11 | 1038538760 |
12 | 57a3508a7 |
13 | 2c9977342 |
14 | 190cc6275 |
15 | e36d75c1 |
hex | 90ecddff |
2431442431 has 8 divisors (see below), whose sum is σ = 2653072128. Its totient is φ = 2209911000.
The previous prime is 2431442417. The next prime is 2431442441. The reversal of 2431442431 is 1342441342.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2431442431 - 29 = 2431441919 is a prime.
It is a super-2 number, since 2×24314424312 = 11823824590534379522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2431442431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2431442441) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33066 + ... + 77176.
It is an arithmetic number, because the mean of its divisors is an integer number (331634016).
Almost surely, 22431442431 is an apocalyptic number.
2431442431 is a deficient number, since it is larger than the sum of its proper divisors (221629697).
2431442431 is a wasteful number, since it uses less digits than its factorization.
2431442431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49133.
The product of its digits is 9216, while the sum is 28.
The square root of 2431442431 is about 49309.6585974797. The cubic root of 2431442431 is about 1344.6873844006.
Adding to 2431442431 its reverse (1342441342), we get a palindrome (3773883773).
The spelling of 2431442431 in words is "two billion, four hundred thirty-one million, four hundred forty-two thousand, four hundred thirty-one".
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