Base | Representation |
---|---|
bin | 11011100110100… |
… | …00100100111101 |
3 | 121010200111121120 |
4 | 31303100210331 |
5 | 433233303203 |
6 | 34550421153 |
7 | 5511031542 |
oct | 1563204475 |
9 | 533614546 |
10 | 231541053 |
11 | 109776247 |
12 | 656617b9 |
13 | 38c7b853 |
14 | 22a72bc9 |
15 | 154d9b53 |
hex | dcd093d |
231541053 has 8 divisors (see below), whose sum is σ = 308898048. Its totient is φ = 154272384.
The previous prime is 231541043. The next prime is 231541067. The reversal of 231541053 is 350145132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-231541053 is a prime.
It is a super-2 number, since 2×2315410532 = 107222518448697618, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231541043) 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, 15700 + ... + 26637.
It is an arithmetic number, because the mean of its divisors is an integer number (38612256).
Almost surely, 2231541053 is an apocalyptic number.
It is an amenable number.
231541053 is a deficient number, since it is larger than the sum of its proper divisors (77356995).
231541053 is a wasteful number, since it uses less digits than its factorization.
231541053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44163.
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 231541053 is about 15216.4730801852. The cubic root of 231541053 is about 614.0579164599.
Adding to 231541053 its reverse (350145132), we get a palindrome (581686185).
The spelling of 231541053 in words is "two hundred thirty-one million, five hundred forty-one thousand, fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •