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11112212 = 224436271
BaseRepresentation
bin101010011000…
…111100010100
3202220120002102
4222120330110
510321042322
61034101232
7163311056
oct52307424
922816072
1011112212
1162aa851
12387a818
1323c0b97
1416938d6
15e97792
hexa98f14

11112212 has 12 divisors (see below), whose sum is σ = 19493376. Its totient is φ = 5542680.

The previous prime is 11112209. The next prime is 11112217. The reversal of 11112212 is 21221111.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11112193 and 11112202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364 + ... + 4907.

It is an arithmetic number, because the mean of its divisors is an integer number (1624448).

Almost surely, 211112212 is an apocalyptic number.

It is an amenable number.

11112212 is a deficient number, since it is larger than the sum of its proper divisors (8381164).

11112212 is a wasteful number, since it uses less digits than its factorization.

11112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6718 (or 6716 counting only the distinct ones).

The product of its digits is 8, while the sum is 11.

The square root of 11112212 is about 3333.4984625765. The cubic root of 11112212 is about 223.1516861636.

Adding to 11112212 its reverse (21221111), we get a palindrome (32333323).

The spelling of 11112212 in words is "eleven million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 443 886 1772 6271 12542 25084 2778053 5556106 11112212