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2254855 = 5450971
BaseRepresentation
bin1000100110100000000111
311020120002011
420212200013
51034123410
6120155051
725110631
oct10464007
94216064
102254855
111300119
12908a87
1360c445
14429a51
152e818a
hex226807

2254855 has 4 divisors (see below), whose sum is σ = 2705832. Its totient is φ = 1803880.

The previous prime is 2254853. The next prime is 2254871. The reversal of 2254855 is 5584522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5584522 = 22792261.

It is not a de Polignac number, because 2254855 - 21 = 2254853 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 27 + 213 + 56 + 42 + 86 + 56 + 59 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2254853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225481 + ... + 225490.

It is an arithmetic number, because the mean of its divisors is an integer number (676458).

22254855 is an apocalyptic number.

2254855 is a deficient number, since it is larger than the sum of its proper divisors (450977).

2254855 is an equidigital number, since it uses as much as digits as its factorization.

2254855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450976.

The product of its digits is 16000, while the sum is 31.

The square root of 2254855 is about 1501.6174612730. The cubic root of 2254855 is about 131.1312516274.

The spelling of 2254855 in words is "two million, two hundred fifty-four thousand, eight hundred fifty-five".

Divisors: 1 5 450971 2254855