Base | Representation |
---|---|
bin | 1110111100111… |
… | …11100101101010 |
3 | 22202000201101210 |
4 | 13132133211222 |
5 | 224102343333 |
6 | 20240253550 |
7 | 3052113300 |
oct | 736374552 |
9 | 282021353 |
10 | 125434218 |
11 | 64893648 |
12 | 360112b6 |
13 | 1ccaa540 |
14 | 12932270 |
15 | b02aa63 |
hex | 779f96a |
125434218 has 96 divisors (see below), whose sum is σ = 323132544. Its totient is φ = 32151168.
The previous prime is 125434213. The next prime is 125434229. The reversal of 125434218 is 812434521.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125434213) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140971 + ... + 141857.
It is an arithmetic number, because the mean of its divisors is an integer number (3365964).
Almost surely, 2125434218 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 125434218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161566272).
125434218 is an abundant number, since it is smaller than the sum of its proper divisors (197698326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125434218 is a wasteful number, since it uses less digits than its factorization.
125434218 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 956 (or 949 counting only the distinct ones).
The product of its digits is 7680, while the sum is 30.
The square root of 125434218 is about 11199.7418720254. The cubic root of 125434218 is about 500.5782882409.
Adding to 125434218 its reverse (812434521), we get a palindrome (937868739).
It can be divided in two parts, 12543 and 4218, that added together give a palindrome (16761).
The spelling of 125434218 in words is "one hundred twenty-five million, four hundred thirty-four thousand, two hundred eighteen".
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