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11884993 = 14298317
BaseRepresentation
bin101101010101…
…100111000001
3211100211010221
4231111213001
511020304433
61102423041
7203010061
oct55254701
924324127
1011884993
11678840a
123b91a81
132601853
1418153a1
15109b72d
hexb559c1

11884993 has 4 divisors (see below), whose sum is σ = 11894740. Its totient is φ = 11875248.

The previous prime is 11884991. The next prime is 11885009. The reversal of 11884993 is 39948811.

11884993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6718464 + 5166529 = 2592^2 + 2273^2 .

It is a cyclic number.

It is not a de Polignac number, because 11884993 - 21 = 11884991 is a prime.

It is a super-2 number, since 2×118849932 = 282506117220098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11884991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2730 + ... + 5587.

It is an arithmetic number, because the mean of its divisors is an integer number (2973685).

Almost surely, 211884993 is an apocalyptic number.

It is an amenable number.

11884993 is a deficient number, since it is larger than the sum of its proper divisors (9747).

11884993 is an equidigital number, since it uses as much as digits as its factorization.

11884993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9746.

The product of its digits is 62208, while the sum is 43.

The square root of 11884993 is about 3447.4618199481. The cubic root of 11884993 is about 228.2091097368.

The spelling of 11884993 in words is "eleven million, eight hundred eighty-four thousand, nine hundred ninety-three".

Divisors: 1 1429 8317 11884993