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11112213 = 37529153
BaseRepresentation
bin101010011000…
…111100010101
3202220120002110
4222120330111
510321042323
61034101233
7163311060
oct52307425
922816073
1011112213
1162aa852
12387a819
1323c0b98
1416938d7
15e97793
hexa98f15

11112213 has 8 divisors (see below), whose sum is σ = 16932928. Its totient is φ = 6349824.

The previous prime is 11112209. The next prime is 11112217. The reversal of 11112213 is 31221111.

11112213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11112209) and next prime (11112217).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11112213 - 22 = 11112209 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264556 + ... + 264597.

It is an arithmetic number, because the mean of its divisors is an integer number (2116616).

Almost surely, 211112213 is an apocalyptic number.

It is an amenable number.

11112213 is a deficient number, since it is larger than the sum of its proper divisors (5820715).

11112213 is an equidigital number, since it uses as much as digits as its factorization.

11112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529163.

The product of its digits is 12, while the sum is 12.

The square root of 11112213 is about 3333.4986125691. The cubic root of 11112213 is about 223.1516928575.

Adding to 11112213 its reverse (31221111), we get a palindrome (42333324).

It can be divided in two parts, 11112 and 213, that added together give a triangular number (11325 = T150).

The spelling of 11112213 in words is "eleven million, one hundred twelve thousand, two hundred thirteen".

Divisors: 1 3 7 21 529153 1587459 3704071 11112213