Base | Representation |
---|---|
bin | 1110110011110… |
… | …01111011010100 |
3 | 22122202121102020 |
4 | 13121321323110 |
5 | 223300401010 |
6 | 20154413140 |
7 | 3035643420 |
oct | 731717324 |
9 | 278677366 |
10 | 124231380 |
11 | 64141969 |
12 | 357311b0 |
13 | 1c978bc0 |
14 | 126dbb80 |
15 | ad8e470 |
hex | 7679ed4 |
124231380 has 192 divisors, whose sum is σ = 436305408. Its totient is φ = 25712640.
The previous prime is 124231379. The next prime is 124231391. The reversal of 124231380 is 83132421.
It is a self number, because there is not a number n which added to its sum of digits gives 124231380.
It is a congruent number.
It is an unprimeable number.
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 63 ways as a sum of consecutive naturals, for example, 332874 + ... + 333246.
It is an arithmetic number, because the mean of its divisors is an integer number (2272424).
Almost surely, 2124231380 is an apocalyptic number.
124231380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 124231380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218152704).
124231380 is an abundant number, since it is smaller than the sum of its proper divisors (312074028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124231380 is a wasteful number, since it uses less digits than its factorization.
124231380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 466 (or 464 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 124231380 is about 11145.9131523622. The cubic root of 124231380 is about 498.9730655888.
The spelling of 124231380 in words is "one hundred twenty-four million, two hundred thirty-one thousand, three hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •