Search a number
-
+
2105764 = 22526441
BaseRepresentation
bin1000000010000110100100
310221222120021
420002012210
51014341024
6113044524
723620153
oct10020644
93858507
102105764
111209101
12856744
1358961b
143cb59a
152b8de4
hex2021a4

2105764 has 6 divisors (see below), whose sum is σ = 3685094. Its totient is φ = 1052880.

The previous prime is 2105759. The next prime is 2105767. The reversal of 2105764 is 4675012.

It can be written as a sum of positive squares in only one way, i.e., 1937664 + 168100 = 1392^2 + 410^2 .

It is not an unprimeable number, because it can be changed into a prime (2105767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263217 + ... + 263224.

22105764 is an apocalyptic number.

It is an amenable number.

2105764 is a deficient number, since it is larger than the sum of its proper divisors (1579330).

2105764 is a wasteful number, since it uses less digits than its factorization.

2105764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526445 (or 526443 counting only the distinct ones).

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

The square root of 2105764 is about 1451.1250807563. The cubic root of 2105764 is about 128.1749722975.

The spelling of 2105764 in words is "two million, one hundred five thousand, seven hundred sixty-four".

Divisors: 1 2 4 526441 1052882 2105764