Search a number
-
+
2054417 = 4743711
BaseRepresentation
bin111110101100100010001
310212101010112
413311210101
51011220132
6112011105
723314361
oct7654421
93771115
102054417
111183572
12830a95
1356c141
143b69a1
152a8ab2
hex1f5911

2054417 has 4 divisors (see below), whose sum is σ = 2098176. Its totient is φ = 2010660.

The previous prime is 2054369. The next prime is 2054443. The reversal of 2054417 is 7144502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-2054417 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 2054392 and 2054401.

It is not an unprimeable number, because it can be changed into a prime (2054317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21809 + ... + 21902.

It is an arithmetic number, because the mean of its divisors is an integer number (524544).

22054417 is an apocalyptic number.

It is an amenable number.

2054417 is a deficient number, since it is larger than the sum of its proper divisors (43759).

2054417 is an equidigital number, since it uses as much as digits as its factorization.

2054417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43758.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 2054417 is about 1433.3237596579. The cubic root of 2054417 is about 127.1245806687.

Adding to 2054417 its reverse (7144502), we get a palindrome (9198919).

The spelling of 2054417 in words is "two million, fifty-four thousand, four hundred seventeen".

Divisors: 1 47 43711 2054417