Base | Representation |
---|---|
bin | 1111101010010… |
… | …10011110010100 |
3 | 100011012122102110 |
4 | 13311022132110 |
5 | 232113031134 |
6 | 21011511020 |
7 | 3153454311 |
oct | 765123624 |
9 | 304178373 |
10 | 131377044 |
11 | 68182577 |
12 | 37bb8470 |
13 | 212ab4c6 |
14 | 1363bd08 |
15 | b8017e9 |
hex | 7d4a794 |
131377044 has 24 divisors (see below), whose sum is σ = 306760608. Its totient is φ = 43761760.
The previous prime is 131377033. The next prime is 131377067. The reversal of 131377044 is 440773131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20014 + ... + 25754.
It is an arithmetic number, because the mean of its divisors is an integer number (12781692).
Almost surely, 2131377044 is an apocalyptic number.
It is an amenable number.
131377044 is an abundant number, since it is smaller than the sum of its proper divisors (175383564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131377044 is a wasteful number, since it uses less digits than its factorization.
131377044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7655 (or 7653 counting only the distinct ones).
The product of its (nonzero) digits is 7056, while the sum is 30.
The square root of 131377044 is about 11461.9825510249. The cubic root of 131377044 is about 508.3620963987.
The spelling of 131377044 in words is "one hundred thirty-one million, three hundred seventy-seven thousand, forty-four".
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