Base | Representation |
---|---|
bin | 1111000000011… |
… | …01101100111000 |
3 | 22202212122002022 |
4 | 13200031230320 |
5 | 224211311430 |
6 | 20254054012 |
7 | 3056002235 |
oct | 740155470 |
9 | 282778068 |
10 | 125885240 |
11 | 65071498 |
12 | 361aa308 |
13 | 20107910 |
14 | 12a0c78c |
15 | b0b94e5 |
hex | 780db38 |
125885240 has 64 divisors (see below), whose sum is σ = 306633600. Its totient is φ = 46236672.
The previous prime is 125885231. The next prime is 125885267. The reversal of 125885240 is 42588521.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 125885240.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120641 + ... + 121679.
It is an arithmetic number, because the mean of its divisors is an integer number (4791150).
Almost surely, 2125885240 is an apocalyptic number.
125885240 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 125885240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153316800).
125885240 is an abundant number, since it is smaller than the sum of its proper divisors (180748360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125885240 is a wasteful number, since it uses less digits than its factorization.
125885240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1296 (or 1292 counting only the distinct ones).
The product of its (nonzero) digits is 25600, while the sum is 35.
The square root of 125885240 is about 11219.8591791519. The cubic root of 125885240 is about 501.1775446004.
The spelling of 125885240 in words is "one hundred twenty-five million, eight hundred eighty-five thousand, two hundred forty".
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