Search a number
-
+
88971269 = 831071943
BaseRepresentation
bin1010100110110…
…01100000000101
320012102012122012
411103121200011
5140234040034
612454544005
72130146312
oct523314005
9205365565
1088971269
1146249482
1225968005
131558192a
14bb5dd09
157c26cce
hex54d9805

88971269 has 4 divisors (see below), whose sum is σ = 90043296. Its totient is φ = 87899244.

The previous prime is 88971229. The next prime is 88971277. The reversal of 88971269 is 96217988.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88971269 is a prime.

It is a super-2 number, since 2×889712692 = 15831773414940722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88971229) 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 in 3 ways as a sum of consecutive naturals, for example, 535889 + ... + 536054.

It is an arithmetic number, because the mean of its divisors is an integer number (22510824).

Almost surely, 288971269 is an apocalyptic number.

It is an amenable number.

88971269 is a deficient number, since it is larger than the sum of its proper divisors (1072027).

88971269 is a wasteful number, since it uses less digits than its factorization.

88971269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072026.

The product of its digits is 435456, while the sum is 50.

The square root of 88971269 is about 9432.4582691894. The cubic root of 88971269 is about 446.4264607205.

The spelling of 88971269 in words is "eighty-eight million, nine hundred seventy-one thousand, two hundred sixty-nine".

Divisors: 1 83 1071943 88971269