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2054487 = 3684829
BaseRepresentation
bin111110101100101010111
310212101020010
413311211113
51011220422
6112011303
723314521
oct7654527
93771203
102054487
111183626
12830b33
1356c196
143b6a11
152a8b0c
hex1f5957

2054487 has 4 divisors (see below), whose sum is σ = 2739320. Its totient is φ = 1369656.

The previous prime is 2054483. The next prime is 2054491. The reversal of 2054487 is 7844502.

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

It is an interprime number because it is at equal distance from previous prime (2054483) and next prime (2054491).

It is not a de Polignac number, because 2054487 - 22 = 2054483 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054483) 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, 342412 + ... + 342417.

It is an arithmetic number, because the mean of its divisors is an integer number (684830).

22054487 is an apocalyptic number.

2054487 is a deficient number, since it is larger than the sum of its proper divisors (684833).

2054487 is an equidigital number, since it uses as much as digits as its factorization.

2054487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684832.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 2054487 is about 1433.3481782177. The cubic root of 2054487 is about 127.1260244878.

Adding to 2054487 its reverse (7844502), we get a palindrome (9898989).

The spelling of 2054487 in words is "two million, fifty-four thousand, four hundred eighty-seven".

Divisors: 1 3 684829 2054487