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13845694 = 26922847
BaseRepresentation
bin110100110100…
…010010111110
3222001102201111
4310310102332
512021030234
61212432234
7225454312
oct64642276
928042644
1013845694
1178a7525
12477867a
132b3a125
141ba5b42
151337664
hexd344be

13845694 has 4 divisors (see below), whose sum is σ = 20768544. Its totient is φ = 6922846.

The previous prime is 13845679. The next prime is 13845703. The reversal of 13845694 is 49654831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49654831 = 139357229.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3461422 + ... + 3461425.

It is an arithmetic number, because the mean of its divisors is an integer number (5192136).

Almost surely, 213845694 is an apocalyptic number.

13845694 is a deficient number, since it is larger than the sum of its proper divisors (6922850).

13845694 is an equidigital number, since it uses as much as digits as its factorization.

13845694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6922849.

The product of its digits is 103680, while the sum is 40.

The square root of 13845694 is about 3720.9802471929. The cubic root of 13845694 is about 240.1254783666.

The spelling of 13845694 in words is "thirteen million, eight hundred forty-five thousand, six hundred ninety-four".

Divisors: 1 2 6922847 13845694