Base | Representation |
---|---|
bin | 110000110000… |
… | …0000000000000 |
3 | 1210002112102010 |
4 | 1201200000000 |
5 | 23020342130 |
6 | 2311452520 |
7 | 430151103 |
oct | 141400000 |
9 | 53075363 |
10 | 25559040 |
11 | 13477981 |
12 | 8687140 |
13 | 53ab7c0 |
14 | 357473a |
15 | 239d0b0 |
hex | 1860000 |
25559040 has 144 divisors (see below), whose sum is σ = 88080048. Its totient is φ = 6291456.
The previous prime is 25559033. The next prime is 25559057. The reversal of 25559040 is 4095552.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a zygodrome in base 2.
It is a junction number, because it is equal to n+sod(n) for n = 25558989 and 25559007.
It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 416 × 160 × 384.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966074 + ... + 1966086.
It is an arithmetic number, because the mean of its divisors is an integer number (611667).
Almost surely, 225559040 is an apocalyptic number.
25559040 is a gapful number since it is divisible by the number (20) 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 25559040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44040024).
25559040 is an abundant number, since it is smaller than the sum of its proper divisors (62521008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25559040 is an frugal number, since it uses more digits than its factorization.
25559040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55 (or 23 counting only the distinct ones).
The product of its (nonzero) digits is 9000, while the sum is 30.
The square root of 25559040 is about 5055.5949204817. The cubic root of 25559040 is about 294.5652506405.
It can be divided in two parts, 255 and 59040, that added together give a palindrome (59295).
The spelling of 25559040 in words is "twenty-five million, five hundred fifty-nine thousand, forty".
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