Search a number
-
+
11604222 = 2377379
BaseRepresentation
bin101100010001…
…000011111110
3210211120000000
4230101003332
510432313342
61052415130
7200430360
oct54210376
923746000
1011604222
116606473
123a774a6
132533b06
141780d30
15104344c
hexb110fe

11604222 has 64 divisors (see below), whose sum is σ = 29913600. Its totient is φ = 3306744.

The previous prime is 11604211. The next prime is 11604223. The reversal of 11604222 is 22240611.

11604222 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

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

11604222 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 11604195 and 11604204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11604223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30429 + ... + 30807.

It is an arithmetic number, because the mean of its divisors is an integer number (467400).

Almost surely, 211604222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11604222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14956800).

11604222 is an abundant number, since it is smaller than the sum of its proper divisors (18309378).

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

11604222 is an frugal number, since it uses more digits than its factorization.

11604222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 11604222 is about 3406.4970277398. The cubic root of 11604222 is about 226.3976995151.

Adding to 11604222 its reverse (22240611), we get a palindrome (33844833).

The spelling of 11604222 in words is "eleven million, six hundred four thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 243 378 379 486 567 729 758 1134 1137 1458 1701 2187 2274 2653 3402 3411 4374 5103 5306 6822 7959 10206 10233 15309 15918 20466 23877 30618 30699 47754 61398 71631 92097 143262 184194 214893 276291 429786 552582 644679 828873 1289358 1657746 1934037 3868074 5802111 11604222