| Base | Representation |
|---|---|
| bin | 111101001000000… |
| … | …011101110001000 |
| 3 | 2122110200221111100 |
| 4 | 331020003232020 |
| 5 | 4100013210233 |
| 6 | 245432301400 |
| 7 | 34261540500 |
| oct | 7510035610 |
| 9 | 2573627440 |
| 10 | 1025522568 |
| 11 | 486976314 |
| 12 | 247541860 |
| 13 | 1346051b5 |
| 14 | 9a2b2a00 |
| 15 | 60073813 |
| hex | 3d203b88 |
1025522568 has 144 divisors (see below), whose sum is σ = 3401190000. Its totient is φ = 277566912.
The previous prime is 1025522567. The next prime is 1025522591. The reversal of 1025522568 is 8652255201.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (1025522567) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 59383 + ... + 74681.
It is an arithmetic number, because the mean of its divisors is an integer number (23619375).
Almost surely, 21025522568 is an apocalyptic number.
1025522568 is a gapful number since it is divisible by the number (18) 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 1025522568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1700595000).
1025522568 is an abundant number, since it is smaller than the sum of its proper divisors (2375667432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1025522568 is a wasteful number, since it uses less digits than its factorization.
1025522568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15344 (or 15330 counting only the distinct ones).
The product of its (nonzero) digits is 48000, while the sum is 36.
The square root of 1025522568 is about 32023.7812882864. The cubic root of 1025522568 is about 1008.4361538450.
Adding to 1025522568 its reverse (8652255201), we get a palindrome (9677777769).
It can be divided in two parts, 10255 and 22568, that added together give a palindrome (32823).
The spelling of 1025522568 in words is "one billion, twenty-five million, five hundred twenty-two thousand, five hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •