Search a number
-
+
22704030 = 233584089
BaseRepresentation
bin101011010011…
…0111110011110
31120201111002000
41112212332132
521303012110
62130343130
7363660336
oct126467636
946644060
1022704030
11118a7968
12772aaa6
13491c14b
1430300c6
151ed71c0
hex15a6f9e

22704030 has 32 divisors (see below), whose sum is σ = 60544800. Its totient is φ = 6054336.

The previous prime is 22704029. The next prime is 22704041. The reversal of 22704030 is 3040722.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22703994 and 22704012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41775 + ... + 42314.

It is an arithmetic number, because the mean of its divisors is an integer number (1892025).

Almost surely, 222704030 is an apocalyptic number.

22704030 is an abundant number, since it is smaller than the sum of its proper divisors (37840770).

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

22704030 is a wasteful number, since it uses less digits than its factorization.

22704030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84105 (or 84099 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 22704030 is about 4764.8746048558. The cubic root of 22704030 is about 283.1615737148.

Adding to 22704030 its reverse (3040722), we get a palindrome (25744752).

The spelling of 22704030 in words is "twenty-two million, seven hundred four thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 84089 168178 252267 420445 504534 756801 840890 1261335 1513602 2270403 2522670 3784005 4540806 7568010 11352015 22704030