Base | Representation |
---|---|
bin | 111101000111101… |
… | …001010001110100 |
3 | 2122110111102220221 |
4 | 331013221101310 |
5 | 4100001224020 |
6 | 245430104124 |
7 | 34260606643 |
oct | 7507512164 |
9 | 2573442827 |
10 | 1025414260 |
11 | 486901a02 |
12 | 2474ab044 |
13 | 134597b00 |
14 | 9a28535a |
15 | 600516aa |
hex | 3d1e9474 |
1025414260 has 36 divisors (see below), whose sum is σ = 2331763308. Its totient is φ = 378613248.
The previous prime is 1025414239. The next prime is 1025414261. The reversal of 1025414260 is 624145201.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 510850404 + 514563856 = 22602^2 + 22684^2 .
It is a super-2 number, since 2×10254142602 = 2102948809222695200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1025414261) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148309 + ... + 155068.
It is an arithmetic number, because the mean of its divisors is an integer number (64771203).
Almost surely, 21025414260 is an apocalyptic number.
1025414260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1025414260 is an abundant number, since it is smaller than the sum of its proper divisors (1306349048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1025414260 is a wasteful number, since it uses less digits than its factorization.
1025414260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 303412 (or 303397 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 25.
The square root of 1025414260 is about 32022.0901878687. The cubic root of 1025414260 is about 1008.4006514414.
Adding to 1025414260 its reverse (624145201), we get a palindrome (1649559461).
The spelling of 1025414260 in words is "one billion, twenty-five million, four hundred fourteen thousand, two hundred sixty".
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