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11994743 = 40929327
BaseRepresentation
bin101101110000…
…011001110111
3211120101200202
4231300121313
511032312433
61105031115
7203645045
oct55603167
924511622
1011994743
116852912
12402549b
13263c7a7
141843395
1510bdee8
hexb70677

11994743 has 4 divisors (see below), whose sum is σ = 12024480. Its totient is φ = 11965008.

The previous prime is 11994701. The next prime is 11994751. The reversal of 11994743 is 34749911.

11994743 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 34749911 = 74964273.

It is a cyclic number.

It is not a de Polignac number, because 11994743 - 210 = 11993719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11994697 and 11994706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11994793) 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, 14255 + ... + 15072.

It is an arithmetic number, because the mean of its divisors is an integer number (3006120).

Almost surely, 211994743 is an apocalyptic number.

11994743 is a deficient number, since it is larger than the sum of its proper divisors (29737).

11994743 is an equidigital number, since it uses as much as digits as its factorization.

11994743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29736.

The product of its digits is 27216, while the sum is 38.

The square root of 11994743 is about 3463.3427494258. The cubic root of 11994743 is about 228.9094116121.

The spelling of 11994743 in words is "eleven million, nine hundred ninety-four thousand, seven hundred forty-three".

Divisors: 1 409 29327 11994743