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89879433 = 374279973
BaseRepresentation
bin1010101101101…
…11001110001001
320021010100101220
411112313032021
5141002120213
612530232253
72140651110
oct526671611
9207110356
1089879433
1146809826
1226125689
131580c0c7
14bd18c77
157d55e23
hex55b7389

89879433 has 8 divisors (see below), whose sum is σ = 136959168. Its totient is φ = 51359664.

The previous prime is 89879431. The next prime is 89879437. The reversal of 89879433 is 33497898.

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

It is not a de Polignac number, because 89879433 - 21 = 89879431 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (89879431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2139966 + ... + 2140007.

It is an arithmetic number, because the mean of its divisors is an integer number (17119896).

Almost surely, 289879433 is an apocalyptic number.

It is an amenable number.

89879433 is a deficient number, since it is larger than the sum of its proper divisors (47079735).

89879433 is a wasteful number, since it uses less digits than its factorization.

89879433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4279983.

The product of its digits is 1306368, while the sum is 51.

The square root of 89879433 is about 9480.4764120797. The cubic root of 89879433 is about 447.9402705898.

The spelling of 89879433 in words is "eighty-nine million, eight hundred seventy-nine thousand, four hundred thirty-three".

Divisors: 1 3 7 21 4279973 12839919 29959811 89879433