Base | Representation |
---|---|
bin | 1111101011110… |
… | …10011011110010 |
3 | 100011120121220020 |
4 | 13311322123302 |
5 | 232140322430 |
6 | 21020024310 |
7 | 3155233116 |
oct | 765723362 |
9 | 304517806 |
10 | 131573490 |
11 | 682a7124 |
12 | 38092096 |
13 | 21349a49 |
14 | 1368d746 |
15 | b83eb10 |
hex | 7d7a6f2 |
131573490 has 16 divisors (see below), whose sum is σ = 315776448. Its totient is φ = 35086256.
The previous prime is 131573483. The next prime is 131573503. The reversal of 131573490 is 94375131.
It is a Curzon 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, 2192862 + ... + 2192921.
It is an arithmetic number, because the mean of its divisors is an integer number (19736028).
Almost surely, 2131573490 is an apocalyptic number.
131573490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131573490 is an abundant number, since it is smaller than the sum of its proper divisors (184202958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131573490 is a wasteful number, since it uses less digits than its factorization.
131573490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4385793.
The product of its (nonzero) digits is 11340, while the sum is 33.
The square root of 131573490 is about 11470.5488098870. The cubic root of 131573490 is about 508.6153521243.
The spelling of 131573490 in words is "one hundred thirty-one million, five hundred seventy-three thousand, four hundred ninety".
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