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89201 = 712743
BaseRepresentation
bin10101110001110001
311112100202
4111301301
510323301
61524545
7521030
oct256161
9145322
1089201
1161022
1243755
13317a8
1424717
151b66b
hex15c71

89201 has 4 divisors (see below), whose sum is σ = 101952. Its totient is φ = 76452.

The previous prime is 89189. The next prime is 89203. The reversal of 89201 is 10298.

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 not a de Polignac number, because 89201 - 26 = 89137 is a prime.

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 (89203) 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, 6365 + ... + 6378.

It is an arithmetic number, because the mean of its divisors is an integer number (25488).

289201 is an apocalyptic number.

It is an amenable number.

89201 is a deficient number, since it is larger than the sum of its proper divisors (12751).

89201 is a wasteful number, since it uses less digits than its factorization.

89201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12750.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 89201 is about 298.6653645805. The cubic root of 89201 is about 44.6810366873.

Adding to 89201 its reverse (10298), we get a palindrome (99499).

The spelling of 89201 in words is "eighty-nine thousand, two hundred one".

Divisors: 1 7 12743 89201