Search a number
-
+
2054285 = 5410857
BaseRepresentation
bin111110101100010001101
310212100221122
413311202031
51011214120
6112010325
723314112
oct7654215
93770848
102054285
111183462
128309a5
1356c06c
143b6909
152a8a25
hex1f588d

2054285 has 4 divisors (see below), whose sum is σ = 2465148. Its totient is φ = 1643424.

The previous prime is 2054257. The next prime is 2054317. The reversal of 2054285 is 5824502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 561001 + 1493284 = 749^2 + 1222^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054285 - 212 = 2050189 is a prime.

It is a super-2 number, since 2×20542852 = 8440173722450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205424 + ... + 205433.

It is an arithmetic number, because the mean of its divisors is an integer number (616287).

22054285 is an apocalyptic number.

It is an amenable number.

2054285 is a deficient number, since it is larger than the sum of its proper divisors (410863).

2054285 is an equidigital number, since it uses as much as digits as its factorization.

2054285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410862.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2054285 is about 1433.2777120991. The cubic root of 2054285 is about 127.1218579491.

Adding to 2054285 its reverse (5824502), we get a palindrome (7878787).

The spelling of 2054285 in words is "two million, fifty-four thousand, two hundred eighty-five".

Divisors: 1 5 410857 2054285