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11220876 = 2233107971
BaseRepresentation
bin101010110011…
…011110001100
3210010002011000
4222303132030
510333032001
61040300300
7164242632
oct52633614
923102130
1011220876
116374457
123911690
13242b494
1416c1352
15eb9a86
hexab378c

11220876 has 48 divisors (see below), whose sum is σ = 29393280. Its totient is φ = 3701520.

The previous prime is 11220857. The next prime is 11220899. The reversal of 11220876 is 67802211.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11071 + ... + 12041.

It is an arithmetic number, because the mean of its divisors is an integer number (612360).

Almost surely, 211220876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11220876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14696640).

11220876 is an abundant number, since it is smaller than the sum of its proper divisors (18172404).

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

11220876 is a wasteful number, since it uses less digits than its factorization.

11220876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 11220876 is about 3349.7576031707. The cubic root of 11220876 is about 223.8767125559.

The spelling of 11220876 in words is "eleven million, two hundred twenty thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 107 108 214 321 428 642 963 971 1284 1926 1942 2889 2913 3852 3884 5778 5826 8739 11556 11652 17478 26217 34956 52434 103897 104868 207794 311691 415588 623382 935073 1246764 1870146 2805219 3740292 5610438 11220876