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11420443 = 23683727
BaseRepresentation
bin101011100100…
…001100011011
3210111012220101
4223210030123
510410423233
61044440231
7166033516
oct53441433
923435811
1011420443
1164a0391
1239a9077
13249b278
141733d7d
151008c7d
hexae431b

11420443 has 8 divisors (see below), whose sum is σ = 11950848. Its totient is φ = 10892904.

The previous prime is 11420441. The next prime is 11420471. The reversal of 11420443 is 34402411.

11420443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11420443 - 21 = 11420441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11420443.

It is not an unprimeable number, because it can be changed into a prime (11420441) 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, 15346 + ... + 16072.

It is an arithmetic number, because the mean of its divisors is an integer number (1493856).

Almost surely, 211420443 is an apocalyptic number.

11420443 is a deficient number, since it is larger than the sum of its proper divisors (530405).

11420443 is an equidigital number, since it uses as much as digits as its factorization.

11420443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 11420443 is about 3379.4145942752. The cubic root of 11420443 is about 225.1961614414.

Adding to 11420443 its reverse (34402411), we get a palindrome (45822854).

The spelling of 11420443 in words is "eleven million, four hundred twenty thousand, four hundred forty-three".

Divisors: 1 23 683 727 15709 16721 496541 11420443