Search a number
-
+
27719141 is a prime number
BaseRepresentation
bin110100110111…
…1010111100101
31221011021111212
41221233113211
524044003031
62430041205
7454415552
oct151572745
957137455
1027719141
111471288a
129349205
135986a78
143977a29
15267812b
hex1a6f5e5

27719141 has 2 divisors, whose sum is σ = 27719142. Its totient is φ = 27719140.

The previous prime is 27719093. The next prime is 27719171. The reversal of 27719141 is 14191772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24900100 + 2819041 = 4990^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 27719141 - 26 = 27719077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27719098 and 27719107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27719171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13859570 + 13859571.

It is an arithmetic number, because the mean of its divisors is an integer number (13859571).

Almost surely, 227719141 is an apocalyptic number.

It is an amenable number.

27719141 is a deficient number, since it is larger than the sum of its proper divisors (1).

27719141 is an equidigital number, since it uses as much as digits as its factorization.

27719141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 32.

The square root of 27719141 is about 5264.8970550240. The cubic root of 27719141 is about 302.6401818237.

The spelling of 27719141 in words is "twenty-seven million, seven hundred nineteen thousand, one hundred forty-one".