Base | Representation |
---|---|
bin | 1110111100111… |
… | …00001011001000 |
3 | 22202000000012210 |
4 | 13132130023020 |
5 | 224101421412 |
6 | 20240105120 |
7 | 3052024440 |
oct | 736341310 |
9 | 282000183 |
10 | 125420232 |
11 | 64884093 |
12 | 360051a0 |
13 | 1cca4072 |
14 | 1292b120 |
15 | b02683c |
hex | 779c2c8 |
125420232 has 64 divisors (see below), whose sum is σ = 368046720. Its totient is φ = 34864128.
The previous prime is 125420231. The next prime is 125420249. The reversal of 125420232 is 232024521.
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 = 125420199 and 125420208.
It is not an unprimeable number, because it can be changed into a prime (125420231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3873 + ... + 16304.
It is an arithmetic number, because the mean of its divisors is an integer number (5750730).
Almost surely, 2125420232 is an apocalyptic number.
125420232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
125420232 is an abundant number, since it is smaller than the sum of its proper divisors (242626488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125420232 is a wasteful number, since it uses less digits than its factorization.
125420232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20230 (or 20226 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 125420232 is about 11199.1174652291. The cubic root of 125420232 is about 500.5596826103.
Adding to 125420232 its reverse (232024521), we get a palindrome (357444753).
The spelling of 125420232 in words is "one hundred twenty-five million, four hundred twenty thousand, two hundred thirty-two".
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