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13002243 = 35973459
BaseRepresentation
bin110001100110…
…011000000011
3220110120201120
4301212120003
511312032433
61142403323
7215342262
oct61463003
926416646
1013002243
117380861
124430543
132903247
141a265d9
15121c7b3
hexc66603

13002243 has 8 divisors (see below), whose sum is σ = 17630400. Its totient is φ = 8521128.

The previous prime is 13002239. The next prime is 13002257. The reversal of 13002243 is 34220031.

13002243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13002243 - 22 = 13002239 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (13002203) 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, 36553 + ... + 36906.

It is an arithmetic number, because the mean of its divisors is an integer number (2203800).

Almost surely, 213002243 is an apocalyptic number.

13002243 is a deficient number, since it is larger than the sum of its proper divisors (4628157).

13002243 is an equidigital number, since it uses as much as digits as its factorization.

13002243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73521.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13002243 is about 3605.8623101832. The cubic root of 13002243 is about 235.1469911834.

Adding to 13002243 its reverse (34220031), we get a palindrome (47222274).

The spelling of 13002243 in words is "thirteen million, two thousand, two hundred forty-three".

Divisors: 1 3 59 177 73459 220377 4334081 13002243