Search a number
-
+
88230869 is a prime number
BaseRepresentation
bin1010100001001…
…00101111010101
320011000120222222
411100210233111
5140041341434
612431032125
72120643566
oct520445725
9204016888
1088230869
1145893181
122566b645
131538291c
14ba0a16d
157b2c72e
hex5424bd5

88230869 has 2 divisors, whose sum is σ = 88230870. Its totient is φ = 88230868.

The previous prime is 88230859. The next prime is 88230887. The reversal of 88230869 is 96803288.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76772644 + 11458225 = 8762^2 + 3385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88230869 is a prime.

It is a super-2 number, since 2×882308692 = 15569372488990322, 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 (88230839) 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, 44115434 + 44115435.

It is an arithmetic number, because the mean of its divisors is an integer number (44115435).

Almost surely, 288230869 is an apocalyptic number.

It is an amenable number.

88230869 is a deficient number, since it is larger than the sum of its proper divisors (1).

88230869 is an equidigital number, since it uses as much as digits as its factorization.

88230869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 88230869 is about 9393.1288184502. The cubic root of 88230869 is about 445.1846542506.

The spelling of 88230869 in words is "eighty-eight million, two hundred thirty thousand, eight hundred sixty-nine".