Search a number
-
+
88281269 is a prime number
BaseRepresentation
bin1010100001100…
…01000010110101
320011010011010122
411100301002311
5140100000034
612432101325
72121243536
oct520610265
9204104118
1088281269
114591802a
1225694845
131539c84b
14ba2068d
157b3c62e
hex54310b5

88281269 has 2 divisors, whose sum is σ = 88281270. Its totient is φ = 88281268.

The previous prime is 88281251. The next prime is 88281301. The reversal of 88281269 is 96218288.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78978769 + 9302500 = 8887^2 + 3050^2 .

It is a cyclic number.

It is not a de Polignac number, because 88281269 - 220 = 87232693 is a prime.

It is a super-2 number, since 2×882812692 = 15587164912500722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88281229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44140634 + 44140635.

It is an arithmetic number, because the mean of its divisors is an integer number (44140635).

Almost surely, 288281269 is an apocalyptic number.

It is an amenable number.

88281269 is a deficient number, since it is larger than the sum of its proper divisors (1).

88281269 is an equidigital number, since it uses as much as digits as its factorization.

88281269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 44.

The square root of 88281269 is about 9395.8112475720. The cubic root of 88281269 is about 445.2694055246.

The spelling of 88281269 in words is "eighty-eight million, two hundred eighty-one thousand, two hundred sixty-nine".