Base | Representation |
---|---|
bin | 1111110000100101010101 |
3 | 21202212212211 |
4 | 33300211111 |
5 | 2024144112 |
6 | 224313421 |
7 | 50054122 |
oct | 17604525 |
9 | 7685784 |
10 | 4131157 |
11 | 2371888 |
12 | 1472871 |
13 | b18494 |
14 | 797749 |
15 | 5690a7 |
hex | 3f0955 |
4131157 has 4 divisors (see below), whose sum is σ = 4138336. Its totient is φ = 4123980.
The previous prime is 4131109. The next prime is 4131223. The reversal of 4131157 is 7511314.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 4131157 - 211 = 4129109 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4131107) 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, 2643 + ... + 3904.
It is an arithmetic number, because the mean of its divisors is an integer number (1034584).
Almost surely, 24131157 is an apocalyptic number.
It is an amenable number.
4131157 is a deficient number, since it is larger than the sum of its proper divisors (7179).
4131157 is an equidigital number, since it uses as much as digits as its factorization.
4131157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7178.
The product of its digits is 420, while the sum is 22.
The square root of 4131157 is about 2032.5247845967. The cubic root of 4131157 is about 160.4564699191.
The spelling of 4131157 in words is "four million, one hundred thirty-one thousand, one hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •