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13804799 = 17812047
BaseRepresentation
bin110100101010…
…010011111111
3221222100121212
4310222103333
512013223144
61211515035
7225224141
oct64522377
927870555
1013804799
117879828
124758a7b
132b24628
141b94c91
15132a49e
hexd2a4ff

13804799 has 4 divisors (see below), whose sum is σ = 14616864. Its totient is φ = 12992736.

The previous prime is 13804789. The next prime is 13804801. The reversal of 13804799 is 99740831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99740831 = 293439339.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13804799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13804729) 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, 406007 + ... + 406040.

It is an arithmetic number, because the mean of its divisors is an integer number (3654216).

Almost surely, 213804799 is an apocalyptic number.

13804799 is a deficient number, since it is larger than the sum of its proper divisors (812065).

13804799 is an equidigital number, since it uses as much as digits as its factorization.

13804799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812064.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 13804799 is about 3715.4809917425. The cubic root of 13804799 is about 239.8888316164. Note that the first 4 decimals are identical.

The spelling of 13804799 in words is "thirteen million, eight hundred four thousand, seven hundred ninety-nine".

Divisors: 1 17 812047 13804799