Base | Representation |
---|---|
bin | 1111100111101… |
… | …00110110101000 |
3 | 100010112211100120 |
4 | 13303310312220 |
5 | 232020320334 |
6 | 21000203240 |
7 | 3150464001 |
oct | 763646650 |
9 | 303484316 |
10 | 131026344 |
11 | 67a63039 |
12 | 37a69520 |
13 | 211b79a7 |
14 | 1358a1a8 |
15 | b782949 |
hex | 7cf4da8 |
131026344 has 32 divisors (see below), whose sum is σ = 346835520. Its totient is φ = 41106176.
The previous prime is 131026333. The next prime is 131026351. The reversal of 131026344 is 443620131.
It is a Harshad number since it is a multiple of its sum of digits (24).
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, 160164 + ... + 160979.
It is an arithmetic number, because the mean of its divisors is an integer number (10838610).
Almost surely, 2131026344 is an apocalyptic number.
It is an amenable number.
131026344 is an abundant number, since it is smaller than the sum of its proper divisors (215809176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131026344 is a wasteful number, since it uses less digits than its factorization.
131026344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 321169 (or 321165 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 131026344 is about 11446.6739273904. The cubic root of 131026344 is about 507.9093499770.
Adding to 131026344 its reverse (443620131), we get a palindrome (574646475).
The spelling of 131026344 in words is "one hundred thirty-one million, twenty-six thousand, three hundred forty-four".
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