Base | Representation |
---|---|
bin | 11011100011111… |
… | …01010110001101 |
3 | 121010001011222012 |
4 | 31301331112031 |
5 | 433141401031 |
6 | 34535231005 |
7 | 5505111614 |
oct | 1561752615 |
9 | 533034865 |
10 | 231200141 |
11 | 1095630a7 |
12 | 65518465 |
13 | 38b8c623 |
14 | 229c487b |
15 | 1546db2b |
hex | dc7d58d |
231200141 has 4 divisors (see below), whose sum is σ = 232536732. Its totient is φ = 229863552.
The previous prime is 231200131. The next prime is 231200231. The reversal of 231200141 is 141002132.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 225300100 + 5900041 = 15010^2 + 2429^2 .
It is a cyclic number.
It is not a de Polignac number, because 231200141 - 218 = 230937997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231200131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668036 + ... + 668381.
It is an arithmetic number, because the mean of its divisors is an integer number (58134183).
Almost surely, 2231200141 is an apocalyptic number.
It is an amenable number.
231200141 is a deficient number, since it is larger than the sum of its proper divisors (1336591).
231200141 is a wasteful number, since it uses less digits than its factorization.
231200141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1336590.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 231200141 is about 15205.2668835506. The cubic root of 231200141 is about 613.7563968013.
Adding to 231200141 its reverse (141002132), we get a palindrome (372202273).
The spelling of 231200141 in words is "two hundred thirty-one million, two hundred thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •