Search a number
-
+
88194131 is a prime number
BaseRepresentation
bin1010100000110…
…11110001010011
320010221201121022
411100123301103
5140034203011
612430150055
72120431514
oct520336123
9203851538
1088194131
1145868613
122565232b
131536bc9c
14b9daa0b
157b218db
hex541bc53

88194131 has 2 divisors, whose sum is σ = 88194132. Its totient is φ = 88194130.

The previous prime is 88194097. The next prime is 88194151. The reversal of 88194131 is 13149188.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88194131 - 210 = 88193107 is a prime.

It is a super-2 number, since 2×881941312 = 15556409485690322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 88194091 and 88194100.

It is not a weakly prime, because it can be changed into another prime (88194151) 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, 44097065 + 44097066.

It is an arithmetic number, because the mean of its divisors is an integer number (44097066).

Almost surely, 288194131 is an apocalyptic number.

88194131 is a deficient number, since it is larger than the sum of its proper divisors (1).

88194131 is an equidigital number, since it uses as much as digits as its factorization.

88194131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 35.

The square root of 88194131 is about 9391.1730364210. The cubic root of 88194131 is about 445.1228562860.

The spelling of 88194131 in words is "eighty-eight million, one hundred ninety-four thousand, one hundred thirty-one".