Base | Representation |
---|---|
bin | 1110111100010… |
… | …01010100101100 |
3 | 22201212002022002 |
4 | 13132021110230 |
5 | 224041434040 |
6 | 20234311432 |
7 | 3051253355 |
oct | 736112454 |
9 | 281762262 |
10 | 125343020 |
11 | 64831080 |
12 | 35b88578 |
13 | 1cc77b8a |
14 | 1290ad2c |
15 | b00da15 |
hex | 778952c |
125343020 has 48 divisors (see below), whose sum is σ = 290043936. Its totient is φ = 45120000.
The previous prime is 125343007. The next prime is 125343037. The reversal of 125343020 is 20343521.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 125342983 and 125343001.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19400 + ... + 25040.
It is an arithmetic number, because the mean of its divisors is an integer number (6042582).
Almost surely, 2125343020 is an apocalyptic number.
125343020 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 125343020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145021968).
125343020 is an abundant number, since it is smaller than the sum of its proper divisors (164700916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125343020 is a wasteful number, since it uses less digits than its factorization.
125343020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5762 (or 5760 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 125343020 is about 11195.6696985933. The cubic root of 125343020 is about 500.4569422803.
Adding to 125343020 its reverse (20343521), we get a palindrome (145686541).
The spelling of 125343020 in words is "one hundred twenty-five million, three hundred forty-three thousand, twenty".
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