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11021933 = 131753941
BaseRepresentation
bin101010000010…
…111001101101
3202201222020202
4222002321231
510310200213
61032123245
7162453626
oct52027155
922658222
1011021933
116248a3a
123836525
13238ba70
14166ca4d
15e7ab58
hexa82e6d

11021933 has 16 divisors (see below), whose sum is σ = 12818736. Its totient is φ = 9384960.

The previous prime is 11021929. The next prime is 11021939. The reversal of 11021933 is 33912011.

11021933 = T402 + T403 + ... + T507.

11021933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 178084 + 10843849 = 422^2 + 3293^2 .

It is not a de Polignac number, because 11021933 - 22 = 11021929 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 (11021939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11243 + ... + 12183.

It is an arithmetic number, because the mean of its divisors is an integer number (801171).

Almost surely, 211021933 is an apocalyptic number.

11021933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11021933 is a deficient number, since it is larger than the sum of its proper divisors (1796803).

11021933 is a wasteful number, since it uses less digits than its factorization.

11021933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 11021933 is about 3319.9296679297. The cubic root of 11021933 is about 222.5457247272.

Adding to 11021933 its reverse (33912011), we get a palindrome (44933944).

The spelling of 11021933 in words is "eleven million, twenty-one thousand, nine hundred thirty-three".

Divisors: 1 13 17 53 221 689 901 941 11713 12233 15997 49873 207961 648349 847841 11021933