Search a number
-
+
2705172 = 223225431
BaseRepresentation
bin1010010100011100010100
312002102210120
422110130110
51143031142
6133551540
731664541
oct12243424
95072716
102705172
111588488
12aa55b0
137393c2
14505bc8
153867ec
hex294714

2705172 has 12 divisors (see below), whose sum is σ = 6312096. Its totient is φ = 901720.

The previous prime is 2705147. The next prime is 2705189. The reversal of 2705172 is 2715072.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112704 + ... + 112727.

It is an arithmetic number, because the mean of its divisors is an integer number (526008).

22705172 is an apocalyptic number.

It is an amenable number.

2705172 is an abundant number, since it is smaller than the sum of its proper divisors (3606924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2705172 is a wasteful number, since it uses less digits than its factorization.

2705172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225438 (or 225436 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 2705172 is about 1644.7407090481. The cubic root of 2705172 is about 139.3365205094.

The spelling of 2705172 in words is "two million, seven hundred five thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 225431 450862 676293 901724 1352586 2705172