Base | Representation |
---|---|
bin | 1111101011011… |
… | …00000000100111 |
3 | 100011110121211222 |
4 | 13311230000213 |
5 | 232131430112 |
6 | 21014450555 |
7 | 3154565633 |
oct | 765540047 |
9 | 304417758 |
10 | 131514407 |
11 | 682667a2 |
12 | 38063a5b |
13 | 21328b9b |
14 | 13675dc3 |
15 | b82c372 |
hex | 7d6c027 |
131514407 has 2 divisors, whose sum is σ = 131514408. Its totient is φ = 131514406.
The previous prime is 131514389. The next prime is 131514421. The reversal of 131514407 is 704415131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 131514407 - 212 = 131510311 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131514497) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65757203 + 65757204.
It is an arithmetic number, because the mean of its divisors is an integer number (65757204).
Almost surely, 2131514407 is an apocalyptic number.
131514407 is a deficient number, since it is larger than the sum of its proper divisors (1).
131514407 is an equidigital number, since it uses as much as digits as its factorization.
131514407 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1680, while the sum is 26.
The square root of 131514407 is about 11467.9730990267. The cubic root of 131514407 is about 508.5392095822.
Adding to 131514407 its reverse (704415131), we get a palindrome (835929538).
The spelling of 131514407 in words is "one hundred thirty-one million, five hundred fourteen thousand, four hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •