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89103 = 374243
BaseRepresentation
bin10101110000001111
311112020010
4111300033
510322403
61524303
7520530
oct256017
9145203
1089103
1160a43
1243693
1331731
1424687
151b603
hex15c0f

89103 has 8 divisors (see below), whose sum is σ = 135808. Its totient is φ = 50904.

The previous prime is 89101. The next prime is 89107. The reversal of 89103 is 30198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89103 - 21 = 89101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 4243 = 89103 / (8 + 9 + 1 + 0 + 3).

It is the 299-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89101) by changing a digit.

It is a nontrivial repunit in base 298.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2101 + ... + 2142.

It is an arithmetic number, because the mean of its divisors is an integer number (16976).

289103 is an apocalyptic number.

89103 is a deficient number, since it is larger than the sum of its proper divisors (46705).

89103 is a wasteful number, since it uses less digits than its factorization.

89103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4253.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 89103 is about 298.5012562788. The cubic root of 89103 is about 44.6646678643.

The spelling of 89103 in words is "eighty-nine thousand, one hundred three".

Divisors: 1 3 7 21 4243 12729 29701 89103