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11684445 = 35778963
BaseRepresentation
bin101100100100…
…101001011101
3210222122001020
4230210221131
510442400240
61054234353
7201213303
oct54445135
923878036
1011684445
116660773
123ab59b9
132561496
1417a2273
15105c0d0
hexb24a5d

11684445 has 8 divisors (see below), whose sum is σ = 18695136. Its totient is φ = 6231696.

The previous prime is 11684443. The next prime is 11684459. The reversal of 11684445 is 54448611.

11684445 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 not a de Polignac number, because 11684445 - 21 = 11684443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11684441) 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, 389467 + ... + 389496.

It is an arithmetic number, because the mean of its divisors is an integer number (2336892).

Almost surely, 211684445 is an apocalyptic number.

11684445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11684445 is a deficient number, since it is larger than the sum of its proper divisors (7010691).

11684445 is an equidigital number, since it uses as much as digits as its factorization.

11684445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778971.

The product of its digits is 15360, while the sum is 33.

The square root of 11684445 is about 3418.2517461416. The cubic root of 11684445 is about 226.9182172222.

The spelling of 11684445 in words is "eleven million, six hundred eighty-four thousand, four hundred forty-five".

Divisors: 1 3 5 15 778963 2336889 3894815 11684445