Search a number
-
+
27892379 is a prime number
BaseRepresentation
bin110101001100…
…1101010011011
31221111002011002
41222121222123
524120024004
62433455215
7456036614
oct152315233
957432132
1027892379
1114820a59
12941150b
135a17888
1439c0c0b
1526ae61e
hex1a99a9b

27892379 has 2 divisors, whose sum is σ = 27892380. Its totient is φ = 27892378.

The previous prime is 27892349. The next prime is 27892387. The reversal of 27892379 is 97329872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27892379 - 224 = 11115163 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27892349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13946189 + 13946190.

It is an arithmetic number, because the mean of its divisors is an integer number (13946190).

Almost surely, 227892379 is an apocalyptic number.

27892379 is a deficient number, since it is larger than the sum of its proper divisors (1).

27892379 is an equidigital number, since it uses as much as digits as its factorization.

27892379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 47.

The square root of 27892379 is about 5281.3236030374. The cubic root of 27892379 is about 303.2693491685.

The spelling of 27892379 in words is "twenty-seven million, eight hundred ninety-two thousand, three hundred seventy-nine".