Search a number
-
+
2744825 = 52109793
BaseRepresentation
bin1010011110000111111001
312011110012012
422132013321
51200313300
6134455305
732221256
oct12360771
95143165
102744825
111605256
12b04535
13751475
1451642d
15393435
hex29e1f9

2744825 has 6 divisors (see below), whose sum is σ = 3403614. Its totient is φ = 2195840.

The previous prime is 2744783. The next prime is 2744867. The reversal of 2744825 is 5284472.

2744825 = 11712 + 11722.

It is an interprime number because it is at equal distance from previous prime (2744783) and next prime (2744867).

It can be written as a sum of positive squares in 3 ways, for example, as 633616 + 2111209 = 796^2 + 1453^2 .

It is not a de Polignac number, because 2744825 - 26 = 2744761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2744791 and 2744800.

It is an unprimeable number.

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, 54872 + ... + 54921.

It is an arithmetic number, because the mean of its divisors is an integer number (567269).

22744825 is an apocalyptic number.

2744825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2744825 is the 1172-nd centered square number.

It is an amenable number.

2744825 is a deficient number, since it is larger than the sum of its proper divisors (658789).

2744825 is a wasteful number, since it uses less digits than its factorization.

2744825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109803 (or 109798 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 2744825 is about 1656.7513392178. The cubic root of 2744825 is about 140.0140292064.

The spelling of 2744825 in words is "two million, seven hundred forty-four thousand, eight hundred twenty-five".

Divisors: 1 5 25 109793 548965 2744825