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2504440025 = 52568917609
BaseRepresentation
bin1001010101000110…
…1011100011011001
320110112112201211222
42111101223203121
520112114040100
61052302501425
7116030250263
oct22521534331
96415481758
102504440025
11107576694a
1259a894875
1330bb25399
1419a888b33
15e9d06485
hex9546b8d9

2504440025 has 12 divisors (see below), whose sum is σ = 3106227900. Its totient is φ = 2003086080.

The previous prime is 2504440019. The next prime is 2504440033. The reversal of 2504440025 is 5200444052.

2504440025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 178596496 + 2325843529 = 13364^2 + 48227^2 .

It is not a de Polignac number, because 2504440025 - 212 = 2504435929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2504439976 and 2504440003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133421 + ... + 151029.

It is an arithmetic number, because the mean of its divisors is an integer number (258852325).

Almost surely, 22504440025 is an apocalyptic number.

2504440025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2504440025 is a deficient number, since it is larger than the sum of its proper divisors (601787875).

2504440025 is a wasteful number, since it uses less digits than its factorization.

2504440025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23308 (or 23303 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 2504440025 is about 50044.3805536646. The cubic root of 2504440025 is about 1358.0118052466.

Adding to 2504440025 its reverse (5200444052), we get a palindrome (7704884077).

The spelling of 2504440025 in words is "two billion, five hundred four million, four hundred forty thousand, twenty-five".

Divisors: 1 5 25 5689 17609 28445 88045 142225 440225 100177601 500888005 2504440025