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11102872 = 2311281449
BaseRepresentation
bin101010010110…
…101010011000
3202220002021111
4222112222120
510320242442
61033550104
7163241614
oct52265230
922802244
1011102872
1162a3830
123875334
1323b9861
141690344
15e94b17
hexa96a98

11102872 has 32 divisors (see below), whose sum is σ = 22842000. Its totient is φ = 5017600.

The previous prime is 11102869. The next prime is 11102873. The reversal of 11102872 is 27820111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102873) 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 7 ways as a sum of consecutive naturals, for example, 24504 + ... + 24952.

Almost surely, 211102872 is an apocalyptic number.

It is an amenable number.

11102872 is an abundant number, since it is smaller than the sum of its proper divisors (11739128).

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

11102872 is a wasteful number, since it uses less digits than its factorization.

11102872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 11102872 is about 3332.0972374767. The cubic root of 11102872 is about 223.0891477309.

Adding to 11102872 its reverse (27820111), we get a palindrome (38922983).

The spelling of 11102872 in words is "eleven million, one hundred two thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 281 449 562 898 1124 1796 2248 3091 3592 4939 6182 9878 12364 19756 24728 39512 126169 252338 504676 1009352 1387859 2775718 5551436 11102872