Base | Representation |
---|---|
bin | 1111101001110… |
… | …00011101101000 |
3 | 100011001220020011 |
4 | 13310320131220 |
5 | 232103201042 |
6 | 21010141304 |
7 | 3153026242 |
oct | 764703550 |
9 | 304056204 |
10 | 131303272 |
11 | 68132101 |
12 | 37b81834 |
13 | 21283a59 |
14 | 1361d092 |
15 | b7d9a17 |
hex | 7d38768 |
131303272 has 8 divisors (see below), whose sum is σ = 246193650. Its totient is φ = 65651632.
The previous prime is 131303239. The next prime is 131303273. The reversal of 131303272 is 272303131.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 93431556 + 37871716 = 9666^2 + 6154^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (131303273) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8206447 + ... + 8206462.
Almost surely, 2131303272 is an apocalyptic number.
It is an amenable number.
131303272 is a deficient number, since it is larger than the sum of its proper divisors (114890378).
131303272 is a wasteful number, since it uses less digits than its factorization.
131303272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16412915 (or 16412911 counting only the distinct ones).
The product of its (nonzero) digits is 756, while the sum is 22.
The square root of 131303272 is about 11458.7639822103. The cubic root of 131303272 is about 508.2669252554.
The spelling of 131303272 in words is "one hundred thirty-one million, three hundred three thousand, two hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •