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13304227 = 18897043
BaseRepresentation
bin110010110000…
…000110100011
3221000220222011
4302300012203
511401213402
61153053351
7221040556
oct62600643
927026864
1013304227
117567732
124557257
1329aa831
141aa469d
15127bed7
hexcb01a3

13304227 has 4 divisors (see below), whose sum is σ = 13313160. Its totient is φ = 13295296.

The previous prime is 13304197. The next prime is 13304231. The reversal of 13304227 is 72240331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 72240331 = 337214363.

It is a cyclic number.

It is not a de Polignac number, because 13304227 - 27 = 13304099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13304198 and 13304207.

It is not an unprimeable number, because it can be changed into a prime (13304267) 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, 1633 + ... + 5410.

It is an arithmetic number, because the mean of its divisors is an integer number (3328290).

Almost surely, 213304227 is an apocalyptic number.

13304227 is a deficient number, since it is larger than the sum of its proper divisors (8933).

13304227 is an equidigital number, since it uses as much as digits as its factorization.

13304227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8932.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 13304227 is about 3647.4959904022. The cubic root of 13304227 is about 236.9535477214.

Adding to 13304227 its reverse (72240331), we get a palindrome (85544558).

It can be divided in two parts, 13304 and 227, that added together give a palindrome (13531).

The spelling of 13304227 in words is "thirteen million, three hundred four thousand, two hundred twenty-seven".

Divisors: 1 1889 7043 13304227