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89211 = 3131227
BaseRepresentation
bin10101110001111011
311112101010
4111301323
510323321
61525003
7521043
oct256173
9145333
1089211
1161031
1243763
13317b5
1424723
151b676
hex15c7b

89211 has 8 divisors (see below), whose sum is σ = 120384. Its totient is φ = 58760.

The previous prime is 89209. The next prime is 89213. The reversal of 89211 is 11298.

It is an interprime number because it is at equal distance from previous prime (89209) and next prime (89213).

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

It is a cyclic number.

It is not a de Polignac number, because 89211 - 21 = 89209 is a prime.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 89211.

It is not an unprimeable number, because it can be changed into a prime (89213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280 + ... + 506.

It is an arithmetic number, because the mean of its divisors is an integer number (15048).

289211 is an apocalyptic number.

89211 is a deficient number, since it is larger than the sum of its proper divisors (31173).

89211 is a wasteful number, since it uses less digits than its factorization.

89211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its digits is 144, while the sum is 21.

The square root of 89211 is about 298.6821052557. The cubic root of 89211 is about 44.6827063011.

It can be divided in two parts, 892 and 11, that added together give a triangular number (903 = T42).

The spelling of 89211 in words is "eighty-nine thousand, two hundred eleven".

Divisors: 1 3 131 227 393 681 29737 89211