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13542227 is a prime number
BaseRepresentation
bin110011101010…
…001101010011
3221111000102222
4303222031103
511431322402
61202131255
7223051466
oct63521523
927430388
1013542227
11770a526
124650b2b
132a61c6a
141b272dd
1512c77a2
hexcea353

13542227 has 2 divisors, whose sum is σ = 13542228. Its totient is φ = 13542226.

The previous prime is 13542209. The next prime is 13542229. The reversal of 13542227 is 72224531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13542227 - 28 = 13541971 is a prime.

Together with 13542229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13542196 and 13542205.

It is not a weakly prime, because it can be changed into another prime (13542229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6771113 + 6771114.

It is an arithmetic number, because the mean of its divisors is an integer number (6771114).

Almost surely, 213542227 is an apocalyptic number.

13542227 is a deficient number, since it is larger than the sum of its proper divisors (1).

13542227 is an equidigital number, since it uses as much as digits as its factorization.

13542227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 26.

The square root of 13542227 is about 3679.9764944901. The cubic root of 13542227 is about 238.3581630393.

Adding to 13542227 its reverse (72224531), we get a palindrome (85766758).

The spelling of 13542227 in words is "thirteen million, five hundred forty-two thousand, two hundred twenty-seven".