Search a number
-
+
89911269 = 337475721
BaseRepresentation
bin1010101101111…
…10111111100101
320021011222002000
411112332333211
5141004130034
612531035513
72141142660
oct526767745
9207158060
1089911269
1146830738
122613bb99
1315820746
14bd266d7
157d60599
hex55befe5

89911269 has 16 divisors (see below), whose sum is σ = 152231040. Its totient is φ = 51377760.

The previous prime is 89911247. The next prime is 89911279. The reversal of 89911269 is 96211998.

It is not a de Polignac number, because 89911269 - 28 = 89911013 is a prime.

It is a super-2 number, since 2×899112692 = 16168072586380722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89911229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237672 + ... + 238049.

It is an arithmetic number, because the mean of its divisors is an integer number (9514440).

Almost surely, 289911269 is an apocalyptic number.

It is an amenable number.

89911269 is a deficient number, since it is larger than the sum of its proper divisors (62319771).

89911269 is a wasteful number, since it uses less digits than its factorization.

89911269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475737 (or 475731 counting only the distinct ones).

The product of its digits is 69984, while the sum is 45.

The square root of 89911269 is about 9482.1552929701. The cubic root of 89911269 is about 447.9931523321.

The spelling of 89911269 in words is "eighty-nine million, nine hundred eleven thousand, two hundred sixty-nine".

Divisors: 1 3 7 9 21 27 63 189 475721 1427163 3330047 4281489 9990141 12844467 29970423 89911269