Base | Representation |
---|---|
bin | 1111101000100… |
… | …11000011100000 |
3 | 100010210010001012 |
4 | 13310103003200 |
5 | 232033300143 |
6 | 21003000052 |
7 | 3151520441 |
oct | 764230340 |
9 | 303703035 |
10 | 131150048 |
11 | 68037a77 |
12 | 37b09028 |
13 | 2122c0a3 |
14 | 135bd2c8 |
15 | b7a9418 |
hex | 7d130e0 |
131150048 has 48 divisors (see below), whose sum is σ = 273230496. Its totient is φ = 61839360.
The previous prime is 131150039. The next prime is 131150051. The reversal of 131150048 is 840051131.
It is a Harshad number since it is a multiple of its sum of digits (23).
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, 52508 + ... + 54948.
It is an arithmetic number, because the mean of its divisors is an integer number (5692302).
Almost surely, 2131150048 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131150048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136615248).
131150048 is an abundant number, since it is smaller than the sum of its proper divisors (142080448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131150048 is a wasteful number, since it uses less digits than its factorization.
131150048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2547 (or 2539 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 23.
The square root of 131150048 is about 11452.0761436519. The cubic root of 131150048 is about 508.0691413940.
The spelling of 131150048 in words is "one hundred thirty-one million, one hundred fifty thousand, forty-eight".
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