Base | Representation |
---|---|
bin | 1111101110011… |
… | …00001110000110 |
3 | 100012012122102111 |
4 | 13313030032012 |
5 | 232232032421 |
6 | 21031131234 |
7 | 3161126563 |
oct | 767141606 |
9 | 305178374 |
10 | 131908486 |
11 | 68505886 |
12 | 38213b1a |
13 | 21436378 |
14 | 1373986a |
15 | b8a8ee1 |
hex | 7dcc386 |
131908486 has 8 divisors (see below), whose sum is σ = 200649744. Its totient is φ = 65025240.
The previous prime is 131908453. The next prime is 131908561. The reversal of 131908486 is 684809131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464325 + ... + 464608.
It is an arithmetic number, because the mean of its divisors is an integer number (25081218).
Almost surely, 2131908486 is an apocalyptic number.
131908486 is a deficient number, since it is larger than the sum of its proper divisors (68741258).
131908486 is an equidigital number, since it uses as much as digits as its factorization.
131908486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 929006.
The product of its (nonzero) digits is 41472, while the sum is 40.
The square root of 131908486 is about 11485.1419669066. The cubic root of 131908486 is about 509.0466439423.
The spelling of 131908486 in words is "one hundred thirty-one million, nine hundred eight thousand, four hundred eighty-six".
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