Base | Representation |
---|---|
bin | 101001110110110… |
… | …0011100011010111 |
3 | 10121212201111121212 |
4 | 1103231203203113 |
5 | 10334014413111 |
6 | 351210132035 |
7 | 46542431264 |
oct | 12355434327 |
9 | 3555644555 |
10 | 1404451031 |
11 | 660859935 |
12 | 33242101b |
13 | 194c79719 |
14 | d475026b |
15 | 8347398b |
hex | 53b638d7 |
1404451031 has 2 divisors, whose sum is σ = 1404451032. Its totient is φ = 1404451030.
The previous prime is 1404450991. The next prime is 1404451033. The reversal of 1404451031 is 1301544041.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1404451031 - 26 = 1404450967 is a prime.
It is a super-2 number, since 2×14044510312 = 3944965396953925922, which contains 22 as substring.
Together with 1404451033, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 1404450988 and 1404451006.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1404451033) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702225515 + 702225516.
It is an arithmetic number, because the mean of its divisors is an integer number (702225516).
Almost surely, 21404451031 is an apocalyptic number.
1404451031 is a deficient number, since it is larger than the sum of its proper divisors (1).
1404451031 is an equidigital number, since it uses as much as digits as its factorization.
1404451031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 1404451031 is about 37476.0060705513. The cubic root of 1404451031 is about 1119.8732400652.
Adding to 1404451031 its reverse (1301544041), we get a palindrome (2705995072).
The spelling of 1404451031 in words is "one billion, four hundred four million, four hundred fifty-one thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •