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13893798 = 237331721
BaseRepresentation
bin110101000000…
…000010100110
3222010212201010
4311000002212
512024100143
61213443050
7226044462
oct65000246
928125633
1013893798
11792a686
1247a0486
132b55ca9
141bb94a2
151346a33
hexd400a6

13893798 has 16 divisors (see below), whose sum is σ = 28169136. Its totient is φ = 4567680.

The previous prime is 13893779. The next prime is 13893799. The reversal of 13893798 is 89739831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13893799) 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, 15423 + ... + 16298.

It is an arithmetic number, because the mean of its divisors is an integer number (1760571).

Almost surely, 213893798 is an apocalyptic number.

13893798 is an abundant number, since it is smaller than the sum of its proper divisors (14275338).

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

13893798 is a wasteful number, since it uses less digits than its factorization.

13893798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31799.

The product of its digits is 326592, while the sum is 48.

The square root of 13893798 is about 3727.4385306803. The cubic root of 13893798 is about 240.4032457021.

The spelling of 13893798 in words is "thirteen million, eight hundred ninety-three thousand, seven hundred ninety-eight".

Divisors: 1 2 3 6 73 146 219 438 31721 63442 95163 190326 2315633 4631266 6946899 13893798