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2255425 = 5290217
BaseRepresentation
bin1000100110101001000001
311020120212021
420212221001
51034133200
6120201441
725112404
oct10465101
94216767
102255425
111300597
12909281
1360c793
14429d3b
152e841a
hex226a41

2255425 has 6 divisors (see below), whose sum is σ = 2796758. Its totient is φ = 1804320.

The previous prime is 2255419. The next prime is 2255437. The reversal of 2255425 is 5245522.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 467856 + 1787569 = 684^2 + 1337^2 .

It is a de Polignac number, because none of the positive numbers 2k-2255425 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 90217 = 2255425 / (2 + 2 + 5 + 5 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2255425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45084 + ... + 45133.

22255425 is an apocalyptic number.

2255425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2255425 is a deficient number, since it is larger than the sum of its proper divisors (541333).

2255425 is an equidigital number, since it uses as much as digits as its factorization.

2255425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90227 (or 90222 counting only the distinct ones).

The product of its digits is 4000, while the sum is 25.

The square root of 2255425 is about 1501.8072446223. The cubic root of 2255425 is about 131.1423001599.

The spelling of 2255425 in words is "two million, two hundred fifty-five thousand, four hundred twenty-five".

Divisors: 1 5 25 90217 451085 2255425