Base | Representation |
---|---|
bin | 1111101010111… |
… | …01001011001001 |
3 | 100011100112111101 |
4 | 13311131023021 |
5 | 232123004031 |
6 | 21013301401 |
7 | 3154223524 |
oct | 765351311 |
9 | 304315441 |
10 | 131453641 |
11 | 68225080 |
12 | 38034861 |
13 | 21307327 |
14 | 1365bbbb |
15 | b819361 |
hex | 7d5d2c9 |
131453641 has 8 divisors (see below), whose sum is σ = 143561664. Its totient is φ = 119371920.
The previous prime is 131453617. The next prime is 131453659. The reversal of 131453641 is 146354131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131453641 - 219 = 130929353 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131453041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4735 + ... + 16891.
It is an arithmetic number, because the mean of its divisors is an integer number (17945208).
Almost surely, 2131453641 is an apocalyptic number.
131453641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
131453641 is a deficient number, since it is larger than the sum of its proper divisors (12108023).
131453641 is a wasteful number, since it uses less digits than its factorization.
131453641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13151.
The product of its digits is 4320, while the sum is 28.
The square root of 131453641 is about 11465.3234145400. The cubic root of 131453641 is about 508.4608743008.
The spelling of 131453641 in words is "one hundred thirty-one million, four hundred fifty-three thousand, six hundred forty-one".
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