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27069841 is a prime number
BaseRepresentation
bin110011101000…
…0110110010001
31212221021211201
41213100312101
523412213331
62404111201
7446042551
oct147206621
955837751
1027069841
1114309a77
129095501
1357ba376
143849161
15259aa61
hex19d0d91

27069841 has 2 divisors, whose sum is σ = 27069842. Its totient is φ = 27069840.

The previous prime is 27069839. The next prime is 27069853. The reversal of 27069841 is 14896072.

27069841 is nontrivially palindromic in base 16.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18455616 + 8614225 = 4296^2 + 2935^2 .

It is a cyclic number.

It is not a de Polignac number, because 27069841 - 21 = 27069839 is a prime.

Together with 27069839, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 27069841.

It is not a weakly prime, because it can be changed into another prime (27069821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13534920 + 13534921.

It is an arithmetic number, because the mean of its divisors is an integer number (13534921).

Almost surely, 227069841 is an apocalyptic number.

It is an amenable number.

27069841 is a deficient number, since it is larger than the sum of its proper divisors (1).

27069841 is an equidigital number, since it uses as much as digits as its factorization.

27069841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 27069841 is about 5202.8685357214. The cubic root of 27069841 is about 300.2584476558.

The spelling of 27069841 in words is "twenty-seven million, sixty-nine thousand, eight hundred forty-one".