Search a number
-
+
22404730 = 2510720939
BaseRepresentation
bin101010101110…
…1111001111010
31120011021111211
41111131321322
521213422410
62120113334
7361302625
oct125357172
946137454
1022404730
1111713007
12760584a
134845b4a
142d92dbc
151e7868a
hex155de7a

22404730 has 16 divisors (see below), whose sum is σ = 40707360. Its totient is φ = 8877712.

The previous prime is 22404727. The next prime is 22404731. The reversal of 22404730 is 3740422.

It is not an unprimeable number, because it can be changed into a prime (22404731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9400 + ... + 11539.

It is an arithmetic number, because the mean of its divisors is an integer number (2544210).

Almost surely, 222404730 is an apocalyptic number.

22404730 is a deficient number, since it is larger than the sum of its proper divisors (18302630).

22404730 is a wasteful number, since it uses less digits than its factorization.

22404730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21053.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 22404730 is about 4733.3634975565. The cubic root of 22404730 is about 281.9117893880.

The spelling of 22404730 in words is "twenty-two million, four hundred four thousand, seven hundred thirty".

Divisors: 1 2 5 10 107 214 535 1070 20939 41878 104695 209390 2240473 4480946 11202365 22404730