Base | Representation |
---|---|
bin | 1111101101000… |
… | …00000101111010 |
3 | 100011212110111010 |
4 | 13312200011322 |
5 | 232210241423 |
6 | 21023214350 |
7 | 3156444612 |
oct | 766400572 |
9 | 304773433 |
10 | 131727738 |
11 | 683a1aaa |
12 | 381473b6 |
13 | 213a200c |
14 | 136cda42 |
15 | b870693 |
hex | 7da017a |
131727738 has 8 divisors (see below), whose sum is σ = 263455488. Its totient is φ = 43909244.
The previous prime is 131727721. The next prime is 131727769. The reversal of 131727738 is 837727131.
It is a sphenic number, since it is the product of 3 distinct primes.
131727738 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 131727696 and 131727705.
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, 10977306 + ... + 10977317.
It is an arithmetic number, because the mean of its divisors is an integer number (32931936).
Almost surely, 2131727738 is an apocalyptic number.
131727738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131727738 is a wasteful number, since it uses less digits than its factorization.
131727738 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21954628.
The product of its digits is 49392, while the sum is 39.
The square root of 131727738 is about 11477.2704943292. The cubic root of 131727738 is about 508.8140300980.
It can be divided in two parts, 13172 and 7738, that added together give a triangular number (20910 = T204).
The spelling of 131727738 in words is "one hundred thirty-one million, seven hundred twenty-seven thousand, seven hundred thirty-eight".
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