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13243794 = 232207299
BaseRepresentation
bin110010100001…
…010110010010
3220220212001220
4302201112102
511342300134
61151505510
7220366434
oct62412622
926825056
1013243794
117526293
124528296
132989185
141a8a654
151269149
hexca1592

13243794 has 8 divisors (see below), whose sum is σ = 26487600. Its totient is φ = 4414596.

The previous prime is 13243793. The next prime is 13243819. The reversal of 13243794 is 49734231.

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

13243794 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13243793) 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, 1103644 + ... + 1103655.

It is an arithmetic number, because the mean of its divisors is an integer number (3310950).

Almost surely, 213243794 is an apocalyptic number.

13243794 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13243794 is a wasteful number, since it uses less digits than its factorization.

13243794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207304.

The product of its digits is 18144, while the sum is 33.

The square root of 13243794 is about 3639.2023851388. The cubic root of 13243794 is about 236.5942245606.

The spelling of 13243794 in words is "thirteen million, two hundred forty-three thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 2207299 4414598 6621897 13243794