Search a number
-
+
2054671 = 17120863
BaseRepresentation
bin111110101101000001111
310212101110221
413311220033
51011222141
6112012211
723315203
oct7655017
93771427
102054671
111183783
12831067
1356c2a8
143b6b03
152a8bd1
hex1f5a0f

2054671 has 4 divisors (see below), whose sum is σ = 2175552. Its totient is φ = 1933792.

The previous prime is 2054639. The next prime is 2054687. The reversal of 2054671 is 1764502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1764502 = 2882251.

It is a cyclic number.

It is not a de Polignac number, because 2054671 - 25 = 2054639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60415 + ... + 60448.

It is an arithmetic number, because the mean of its divisors is an integer number (543888).

22054671 is an apocalyptic number.

2054671 is a deficient number, since it is larger than the sum of its proper divisors (120881).

2054671 is a wasteful number, since it uses less digits than its factorization.

2054671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120880.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2054671 is about 1433.4123621624. The cubic root of 2054671 is about 127.1298195131.

The spelling of 2054671 in words is "two million, fifty-four thousand, six hundred seventy-one".

Divisors: 1 17 120863 2054671