Base | Representation |
---|---|
bin | 1111101011001… |
… | …11001111100110 |
3 | 100011102122001222 |
4 | 13311213033212 |
5 | 232130314021 |
6 | 21014220342 |
7 | 3154455005 |
oct | 765471746 |
9 | 304378058 |
10 | 131494886 |
11 | 68253066 |
12 | 380546b2 |
13 | 21320033 |
14 | 1366cc3c |
15 | b8266ab |
hex | 7d673e6 |
131494886 has 4 divisors (see below), whose sum is σ = 197242332. Its totient is φ = 65747442.
The previous prime is 131494873. The next prime is 131494907. The reversal of 131494886 is 688494131.
131494886 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 congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32873720 + ... + 32873723.
It is an arithmetic number, because the mean of its divisors is an integer number (49310583).
Almost surely, 2131494886 is an apocalyptic number.
131494886 is a deficient number, since it is larger than the sum of its proper divisors (65747446).
131494886 is an equidigital number, since it uses as much as digits as its factorization.
131494886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65747445.
The product of its digits is 165888, while the sum is 44.
The square root of 131494886 is about 11467.1219580154. The cubic root of 131494886 is about 508.5140471042.
The spelling of 131494886 in words is "one hundred thirty-one million, four hundred ninety-four thousand, eight hundred eighty-six".
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