Base | Representation |
---|---|
bin | 10111111101110… |
… | …10110100011111 |
3 | 112000022001110121 |
4 | 23332322310133 |
5 | 402431340411 |
6 | 31541015411 |
7 | 4660560604 |
oct | 1376726437 |
9 | 460261417 |
10 | 201043231 |
11 | a3535834 |
12 | 573b4567 |
13 | 328610bc |
14 | 1c9b46ab |
15 | 129b3571 |
hex | bfbad1f |
201043231 has 8 divisors (see below), whose sum is σ = 202573440. Its totient is φ = 199519128.
The previous prime is 201043217. The next prime is 201043243. The reversal of 201043231 is 132340102.
It is a happy number.
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 201043231 - 213 = 201035039 is a prime.
It is a super-2 number, since 2×2010432312 = 80836761461838722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201043261) 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, 80260 + ... + 82726.
It is an arithmetic number, because the mean of its divisors is an integer number (25321680).
Almost surely, 2201043231 is an apocalyptic number.
201043231 is a deficient number, since it is larger than the sum of its proper divisors (1530209).
201043231 is a wasteful number, since it uses less digits than its factorization.
201043231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3053.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 201043231 is about 14178.9714366029. The cubic root of 201043231 is about 585.8185934539.
Adding to 201043231 its reverse (132340102), we get a palindrome (333383333).
The spelling of 201043231 in words is "two hundred one million, forty-three thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •