Base | Representation |
---|---|
bin | 1110111100110… |
… | …00010001000110 |
3 | 22201222012021010 |
4 | 13132120101012 |
5 | 224100413410 |
6 | 20235503050 |
7 | 3051630000 |
oct | 736302106 |
9 | 281865233 |
10 | 125404230 |
11 | 64873066 |
12 | 35bb7a86 |
13 | 1cc999b3 |
14 | 12925370 |
15 | b021c20 |
hex | 7798446 |
125404230 has 80 divisors (see below), whose sum is σ = 351312624. Its totient is φ = 28647360.
The previous prime is 125404229. The next prime is 125404241. The reversal of 125404230 is 32404521.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 125404197 and 125404206.
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 39 ways as a sum of consecutive naturals, for example, 71160 + ... + 72900.
Almost surely, 2125404230 is an apocalyptic number.
125404230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 125404230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175656312).
125404230 is an abundant number, since it is smaller than the sum of its proper divisors (225908394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125404230 is an equidigital number, since it uses as much as digits as its factorization.
125404230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1779 (or 1758 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 125404230 is about 11198.4030111440. The cubic root of 125404230 is about 500.5383933904.
Adding to 125404230 its reverse (32404521), we get a palindrome (157808751).
The spelling of 125404230 in words is "one hundred twenty-five million, four hundred four thousand, two hundred thirty".
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