Base | Representation |
---|---|
bin | 1111101000011… |
… | …00110011100010 |
3 | 100010201210221010 |
4 | 13310030303202 |
5 | 232031440300 |
6 | 21002241350 |
7 | 3151353012 |
oct | 764146342 |
9 | 303653833 |
10 | 131124450 |
11 | 6801a816 |
12 | 37ab6256 |
13 | 21220542 |
14 | 135b3c42 |
15 | b7a1a50 |
hex | 7d0cce2 |
131124450 has 48 divisors (see below), whose sum is σ = 327720096. Its totient is φ = 34694400.
The previous prime is 131124421. The next prime is 131124463. The reversal of 131124450 is 54421131.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16314 + ... + 22986.
It is an arithmetic number, because the mean of its divisors is an integer number (6827502).
Almost surely, 2131124450 is an apocalyptic number.
131124450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 131124450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163860048).
131124450 is an abundant number, since it is smaller than the sum of its proper divisors (196595646).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131124450 is a wasteful number, since it uses less digits than its factorization.
131124450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6819 (or 6814 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 131124450 is about 11450.9584751670. The cubic root of 131124450 is about 508.0360840923.
Adding to 131124450 its reverse (54421131), we get a palindrome (185545581).
The spelling of 131124450 in words is "one hundred thirty-one million, one hundred twenty-four thousand, four hundred fifty".
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