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11314821 = 37538801
BaseRepresentation
bin101011001010…
…011010000101
3210021212000110
4223022122011
510344033241
61042303233
7165113550
oct53123205
923255013
1011314821
116428aa1
123957b19
13246217b
141707697
15ed7816
hexaca685

11314821 has 8 divisors (see below), whose sum is σ = 17241664. Its totient is φ = 6465600.

The previous prime is 11314813. The next prime is 11314847. The reversal of 11314821 is 12841311.

It is a happy number.

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

It is not a de Polignac number, because 11314821 - 23 = 11314813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 538801 = 11314821 / (1 + 1 + 3 + 1 + 4 + 8 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11314801) 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, 269380 + ... + 269421.

It is an arithmetic number, because the mean of its divisors is an integer number (2155208).

Almost surely, 211314821 is an apocalyptic number.

It is an amenable number.

11314821 is a deficient number, since it is larger than the sum of its proper divisors (5926843).

11314821 is an equidigital number, since it uses as much as digits as its factorization.

11314821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538811.

The product of its digits is 192, while the sum is 21.

The square root of 11314821 is about 3363.7510312150. The cubic root of 11314821 is about 224.4997676927.

The spelling of 11314821 in words is "eleven million, three hundred fourteen thousand, eight hundred twenty-one".

Divisors: 1 3 7 21 538801 1616403 3771607 11314821