Base | Representation |
---|---|
bin | 1111101101010… |
… | …11101101110100 |
3 | 100011221212210110 |
4 | 13312223231310 |
5 | 232213302343 |
6 | 21024223020 |
7 | 3160033455 |
oct | 766535564 |
9 | 304855713 |
10 | 131775348 |
11 | 68424851 |
12 | 3816aa70 |
13 | 213ba8a3 |
14 | 1370312c |
15 | b87e833 |
hex | 7dabb74 |
131775348 has 12 divisors (see below), whose sum is σ = 307475840. Its totient is φ = 43925112.
The previous prime is 131775341. The next prime is 131775377. The reversal of 131775348 is 843577131.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×1317753482 = 34729484681042208, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131775341) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5490628 + ... + 5490651.
Almost surely, 2131775348 is an apocalyptic number.
It is an amenable number.
131775348 is an abundant number, since it is smaller than the sum of its proper divisors (175700492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131775348 is a wasteful number, since it uses less digits than its factorization.
131775348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10981286 (or 10981284 counting only the distinct ones).
The product of its digits is 70560, while the sum is 39.
The square root of 131775348 is about 11479.3444063675. The cubic root of 131775348 is about 508.8753224738.
The spelling of 131775348 in words is "one hundred thirty-one million, seven hundred seventy-five thousand, three hundred forty-eight".
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