Base | Representation |
---|---|
bin | 1110111101100… |
… | …11000111110111 |
3 | 22202011210011020 |
4 | 13132303013313 |
5 | 224112423411 |
6 | 20242112223 |
7 | 3052565463 |
oct | 736630767 |
9 | 282153136 |
10 | 125514231 |
11 | 64938777 |
12 | 3604b673 |
13 | 20007a9b |
14 | 129534a3 |
15 | b044606 |
hex | 77b31f7 |
125514231 has 4 divisors (see below), whose sum is σ = 167352312. Its totient is φ = 83676152.
The previous prime is 125514199. The next prime is 125514239. The reversal of 125514231 is 132415521.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 125514231 - 25 = 125514199 is a prime.
It is a super-2 number, since 2×1255142312 = 31507644367042722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125514239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20919036 + ... + 20919041.
It is an arithmetic number, because the mean of its divisors is an integer number (41838078).
Almost surely, 2125514231 is an apocalyptic number.
125514231 is a deficient number, since it is larger than the sum of its proper divisors (41838081).
125514231 is an equidigital number, since it uses as much as digits as its factorization.
125514231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41838080.
The product of its digits is 1200, while the sum is 24.
The square root of 125514231 is about 11203.3133938135. The cubic root of 125514231 is about 500.6847032682.
Adding to 125514231 its reverse (132415521), we get a palindrome (257929752).
The spelling of 125514231 in words is "one hundred twenty-five million, five hundred fourteen thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •