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11230212 = 2237271269
BaseRepresentation
bin101010110101…
…110000000100
3210010112221210
4222311300010
510333331322
61040411420
7164312100
oct52656004
923115853
1011230212
116380474
123916b70
1324327c6
1416c4900
15ebc70c
hexab5c04

11230212 has 72 divisors (see below), whose sum is σ = 31026240. Its totient is φ = 3151680.

The previous prime is 11230201. The next prime is 11230213. The reversal of 11230212 is 21203211.

It is a super-2 number, since 2×112302122 = 252235323129888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11230213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41614 + ... + 41882.

It is an arithmetic number, because the mean of its divisors is an integer number (430920).

Almost surely, 211230212 is an apocalyptic number.

11230212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11230212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15513120).

11230212 is an abundant number, since it is smaller than the sum of its proper divisors (19796028).

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

11230212 is a wasteful number, since it uses less digits than its factorization.

11230212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11230212 is about 3351.1508470972. The cubic root of 11230212 is about 223.9387853561.

Adding to 11230212 its reverse (21203211), we get a palindrome (32433423).

The spelling of 11230212 in words is "eleven million, two hundred thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 71 84 98 142 147 196 213 269 284 294 426 497 538 588 807 852 994 1076 1491 1614 1883 1988 2982 3228 3479 3766 5649 5964 6958 7532 10437 11298 13181 13916 19099 20874 22596 26362 38198 39543 41748 52724 57297 76396 79086 114594 133693 158172 229188 267386 401079 534772 802158 935851 1604316 1871702 2807553 3743404 5615106 11230212