Base | Representation |
---|---|
bin | 1111101110101… |
… | …00001001000110 |
3 | 100012021021221021 |
4 | 13313110021012 |
5 | 232234102214 |
6 | 21031541354 |
7 | 3161323306 |
oct | 767241106 |
9 | 305237837 |
10 | 131940934 |
11 | 685281a4 |
12 | 3822a85a |
13 | 21448078 |
14 | 13747606 |
15 | b8b3924 |
hex | 7dd4246 |
131940934 has 4 divisors (see below), whose sum is σ = 197911404. Its totient is φ = 65970466.
The previous prime is 131940901. The next prime is 131940943. The reversal of 131940934 is 439049131.
131940934 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a self number, because there is not a number n which added to its sum of digits gives 131940934.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32985232 + ... + 32985235.
It is an arithmetic number, because the mean of its divisors is an integer number (49477851).
Almost surely, 2131940934 is an apocalyptic number.
131940934 is a deficient number, since it is larger than the sum of its proper divisors (65970470).
131940934 is an equidigital number, since it uses as much as digits as its factorization.
131940934 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65970469.
The product of its (nonzero) digits is 11664, while the sum is 34.
The square root of 131940934 is about 11486.5544877478. The cubic root of 131940934 is about 509.0883804315.
The spelling of 131940934 in words is "one hundred thirty-one million, nine hundred forty thousand, nine hundred thirty-four".
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