Base | Representation |
---|---|
bin | 1111101101010… |
… | …01000011111000 |
3 | 100011221022212122 |
4 | 13312221003320 |
5 | 232212430342 |
6 | 21024100412 |
7 | 3156656660 |
oct | 766510370 |
9 | 304838778 |
10 | 131764472 |
11 | 68417664 |
12 | 38164708 |
13 | 213b5958 |
14 | 136dd1a0 |
15 | b87b4d2 |
hex | 7da90f8 |
131764472 has 16 divisors (see below), whose sum is σ = 282352560. Its totient is φ = 56470464.
The previous prime is 131764469. The next prime is 131764481. The reversal of 131764472 is 274467131.
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, 1176413 + ... + 1176524.
It is an arithmetic number, because the mean of its divisors is an integer number (17647035).
Almost surely, 2131764472 is an apocalyptic number.
It is an amenable number.
131764472 is an abundant number, since it is smaller than the sum of its proper divisors (150588088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131764472 is a wasteful number, since it uses less digits than its factorization.
131764472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2352950 (or 2352946 counting only the distinct ones).
The product of its digits is 28224, while the sum is 35.
The square root of 131764472 is about 11478.8706761597. The cubic root of 131764472 is about 508.8613221812.
The spelling of 131764472 in words is "one hundred thirty-one million, seven hundred sixty-four thousand, four hundred seventy-two".
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