Base | Representation |
---|---|
bin | 101111110011… |
… | …0001100101100 |
3 | 1202011012001100 |
4 | 1133212030230 |
5 | 22403411030 |
6 | 2253043100 |
7 | 423002430 |
oct | 137461454 |
9 | 52135040 |
10 | 25060140 |
11 | 13167066 |
12 | 8486490 |
13 | 52656b1 |
14 | 34849c0 |
15 | 2300360 |
hex | 17e632c |
25060140 has 72 divisors (see below), whose sum is σ = 86879520. Its totient is φ = 5727744.
The previous prime is 25060129. The next prime is 25060141. The reversal of 25060140 is 4106052.
It is a happy number.
25060140 is a `hidden beast` number, since 25 + 0 + 601 + 40 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (25060141) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8685 + ... + 11204.
It is an arithmetic number, because the mean of its divisors is an integer number (1206660).
Almost surely, 225060140 is an apocalyptic number.
25060140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25060140 is an abundant number, since it is smaller than the sum of its proper divisors (61819380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25060140 is a wasteful number, since it uses less digits than its factorization.
25060140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19911 (or 19906 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 25060140 is about 5006.0103875242. The cubic root of 25060140 is about 292.6360532964.
Adding to 25060140 its reverse (4106052), we get a palindrome (29166192).
It can be divided in two parts, 25060 and 140, that added together give a triangular number (25200 = T224).
The spelling of 25060140 in words is "twenty-five million, sixty thousand, one hundred forty".
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