Base | Representation |
---|---|
bin | 1111100111101… |
… | …00100111000000 |
3 | 100010112202222112 |
4 | 13303310213000 |
5 | 232020302334 |
6 | 21000154452 |
7 | 3150461042 |
oct | 763644700 |
9 | 303482875 |
10 | 131025344 |
11 | 67a6230a |
12 | 37a68a28 |
13 | 211b73b8 |
14 | 13589a92 |
15 | b7824ce |
hex | 7cf49c0 |
131025344 has 28 divisors (see below), whose sum is σ = 268394688. Its totient is φ = 63398400.
The previous prime is 131025329. The next prime is 131025353. The reversal of 131025344 is 443520131.
It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
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, 31037 + ... + 35004.
Almost surely, 2131025344 is an apocalyptic number.
It is an amenable number.
131025344 is an abundant number, since it is smaller than the sum of its proper divisors (137369344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131025344 is an equidigital number, since it uses as much as digits as its factorization.
131025344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66084 (or 66074 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 131025344 is about 11446.6302464961. The cubic root of 131025344 is about 507.9080578433.
Adding to 131025344 its reverse (443520131), we get a palindrome (574545475).
The spelling of 131025344 in words is "one hundred thirty-one million, twenty-five thousand, three hundred forty-four".
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