Search a number
-
+
2057841 = 32373613
BaseRepresentation
bin111110110011001110001
310212112211100
413312121301
51011322331
6112035013
723330352
oct7663161
93775740
102057841
1111860a5
12832a69
13570876
143b7d29
152a9ae6
hex1f6671

2057841 has 12 divisors (see below), whose sum is σ = 2985268. Its totient is φ = 1365984.

The previous prime is 2057813. The next prime is 2057849. The reversal of 2057841 is 1487502.

It can be written as a sum of positive squares in 2 ways, for example, as 378225 + 1679616 = 615^2 + 1296^2 .

It is not a de Polignac number, because 2057841 - 26 = 2057777 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 (2057849) 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 11 ways as a sum of consecutive naturals, for example, 3051 + ... + 3663.

22057841 is an apocalyptic number.

It is an amenable number.

2057841 is a deficient number, since it is larger than the sum of its proper divisors (927427).

2057841 is a wasteful number, since it uses less digits than its factorization.

2057841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2057841 is about 1434.5176889812. The cubic root of 2057841 is about 127.1951656523.

The spelling of 2057841 in words is "two million, fifty-seven thousand, eight hundred forty-one".

Divisors: 1 3 9 373 613 1119 1839 3357 5517 228649 685947 2057841