Base | Representation |
---|---|
bin | 1111101011100… |
… | …11011111010001 |
3 | 100011112011212120 |
4 | 13311303133101 |
5 | 232133420131 |
6 | 21015244453 |
7 | 3155054145 |
oct | 765633721 |
9 | 304464776 |
10 | 131545041 |
11 | 68287811 |
12 | 38079729 |
13 | 21339b04 |
14 | 13683225 |
15 | b836496 |
hex | 7d737d1 |
131545041 has 8 divisors (see below), whose sum is σ = 179472480. Its totient is φ = 85657152.
The previous prime is 131545039. The next prime is 131545061. The reversal of 131545041 is 140545131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131545041 - 21 = 131545039 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131545021) 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, 509736 + ... + 509993.
It is an arithmetic number, because the mean of its divisors is an integer number (22434060).
Almost surely, 2131545041 is an apocalyptic number.
It is an amenable number.
131545041 is a deficient number, since it is larger than the sum of its proper divisors (47927439).
131545041 is a wasteful number, since it uses less digits than its factorization.
131545041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1019775.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 131545041 is about 11469.3086539686. The cubic root of 131545041 is about 508.5786916462.
The spelling of 131545041 in words is "one hundred thirty-one million, five hundred forty-five thousand, forty-one".
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