Base | Representation |
---|---|
bin | 111101000111111… |
… | …110110101100000 |
3 | 2122110122221001022 |
4 | 331013332311200 |
5 | 4100012040220 |
6 | 245432025012 |
7 | 34261425245 |
oct | 7507766540 |
9 | 2573587038 |
10 | 1025502560 |
11 | 486962285 |
12 | 247532168 |
13 | 1345c9064 |
14 | 9a2a95cc |
15 | 6006c925 |
hex | 3d1fed60 |
1025502560 has 96 divisors (see below), whose sum is σ = 2580675552. Its totient is φ = 383754240.
The previous prime is 1025502559. The next prime is 1025502593. The reversal of 1025502560 is 652055201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491279 + ... + 493361.
It is an arithmetic number, because the mean of its divisors is an integer number (26882037).
Almost surely, 21025502560 is an apocalyptic number.
1025502560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1025502560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290337776).
1025502560 is an abundant number, since it is smaller than the sum of its proper divisors (1555172992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1025502560 is a wasteful number, since it uses less digits than its factorization.
1025502560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2296 (or 2288 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 26.
The square root of 1025502560 is about 32023.4688939222. The cubic root of 1025502560 is about 1008.4295955879.
Adding to 1025502560 its reverse (652055201), we get a palindrome (1677557761).
The spelling of 1025502560 in words is "one billion, twenty-five million, five hundred two thousand, five hundred sixty".
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