Search a number
-
+
89054291 = 199447509
BaseRepresentation
bin1010100111011…
…01110001010011
320012120102112002
411103231301103
5140244214131
612500424215
72130643334
oct523556123
9205512462
1089054291
11462a5897
12259a806b
13155b0661
14bb8228b
157c416cb
hex54edc53

89054291 has 4 divisors (see below), whose sum is σ = 89502000. Its totient is φ = 88606584.

The previous prime is 89054267. The next prime is 89054297. The reversal of 89054291 is 19245098.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19245098 = 29622549.

It is a cyclic number.

It is not a de Polignac number, because 89054291 - 218 = 88792147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89054297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223556 + ... + 223953.

It is an arithmetic number, because the mean of its divisors is an integer number (22375500).

Almost surely, 289054291 is an apocalyptic number.

89054291 is a deficient number, since it is larger than the sum of its proper divisors (447709).

89054291 is a wasteful number, since it uses less digits than its factorization.

89054291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447708.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 89054291 is about 9436.8581106214. The cubic root of 89054291 is about 446.5652759273.

The spelling of 89054291 in words is "eighty-nine million, fifty-four thousand, two hundred ninety-one".

Divisors: 1 199 447509 89054291