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2648825 = 52105953
BaseRepresentation
bin1010000110101011111001
311222120111122
422012223321
51134230300
6132435025
731341344
oct12065371
94876448
102648825
11154a113
12a78a75
1371986a
144cd45b
15374c85
hex286af9

2648825 has 6 divisors (see below), whose sum is σ = 3284574. Its totient is φ = 2119040.

The previous prime is 2648813. The next prime is 2648827. The reversal of 2648825 is 5288462.

It can be written as a sum of positive squares in 3 ways, for example, as 11449 + 2637376 = 107^2 + 1624^2 .

It is not a de Polignac number, because 2648825 - 26 = 2648761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2648827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52952 + ... + 53001.

It is an arithmetic number, because the mean of its divisors is an integer number (547429).

22648825 is an apocalyptic number.

2648825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2648825 is a deficient number, since it is larger than the sum of its proper divisors (635749).

2648825 is a wasteful number, since it uses less digits than its factorization.

2648825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105963 (or 105958 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 2648825 is about 1627.5211212147. The cubic root of 2648825 is about 138.3622945444.

The spelling of 2648825 in words is "two million, six hundred forty-eight thousand, eight hundred twenty-five".

Divisors: 1 5 25 105953 529765 2648825