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2775425 = 52195843
BaseRepresentation
bin1010100101100110000001
312020000011112
422211212001
51202303200
6135253105
732406422
oct12454601
95200145
102775425
111626244
12b1a195
13762383
14523649
1539c535
hex2a5981

2775425 has 12 divisors (see below), whose sum is σ = 3623280. Its totient is φ = 2103120.

The previous prime is 2775391. The next prime is 2775431. The reversal of 2775425 is 5245772.

It is not a de Polignac number, because 2775425 - 218 = 2513281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2775391 and 2775400.

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, 2447 + ... + 3396.

It is an arithmetic number, because the mean of its divisors is an integer number (301940).

22775425 is an apocalyptic number.

2775425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2775425 is a deficient number, since it is larger than the sum of its proper divisors (847855).

2775425 is a wasteful number, since it uses less digits than its factorization.

2775425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872 (or 5867 counting only the distinct ones).

The product of its digits is 19600, while the sum is 32.

The square root of 2775425 is about 1665.9606838098. The cubic root of 2775425 is about 140.5324114804.

The spelling of 2775425 in words is "two million, seven hundred seventy-five thousand, four hundred twenty-five".

Divisors: 1 5 19 25 95 475 5843 29215 111017 146075 555085 2775425