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7048025 = 52281921
BaseRepresentation
bin11010111000101101011001
3111021002001222
4122320231121
53301014100
6411021425
7113623115
oct32705531
914232058
107048025
113a84316
12243a875
1315ca03a
14d16745
15943485
hex6b8b59

7048025 has 6 divisors (see below), whose sum is σ = 8739582. Its totient is φ = 5638400.

The previous prime is 7048021. The next prime is 7048037. The reversal of 7048025 is 5208407.

7048025 is digitally balanced in base 3, 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 3 ways, for example, as 737881 + 6310144 = 859^2 + 2512^2 .

It is not a de Polignac number, because 7048025 - 22 = 7048021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7047985 and 7048003.

It is not an unprimeable number, because it can be changed into a prime (7048021) 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 5 ways as a sum of consecutive naturals, for example, 140936 + ... + 140985.

It is an arithmetic number, because the mean of its divisors is an integer number (1456597).

Almost surely, 27048025 is an apocalyptic number.

It is an amenable number.

7048025 is a deficient number, since it is larger than the sum of its proper divisors (1691557).

7048025 is a wasteful number, since it uses less digits than its factorization.

7048025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281931 (or 281926 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 7048025 is about 2654.8116694033. The cubic root of 7048025 is about 191.7295907660.

The spelling of 7048025 in words is "seven million, forty-eight thousand, twenty-five".

Divisors: 1 5 25 281921 1409605 7048025