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97089 = 332363
BaseRepresentation
bin10111101101000001
311221011220
4113231001
511101324
62025253
7553026
oct275501
9157156
1097089
1166a43
1248229
1335265
142754d
151db79
hex17b41

97089 has 4 divisors (see below), whose sum is σ = 129456. Its totient is φ = 64724.

The previous prime is 97081. The next prime is 97103. The reversal of 97089 is 98079.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98079 = 332693.

It is a cyclic number.

It is not a de Polignac number, because 97089 - 23 = 97081 is a prime.

It is a D-number.

It is a Curzon number.

97089 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 97089.

It is not an unprimeable number, because it can be changed into a prime (97081) 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, 16179 + ... + 16184.

It is an arithmetic number, because the mean of its divisors is an integer number (32364).

297089 is an apocalyptic number.

It is an amenable number.

97089 is a deficient number, since it is larger than the sum of its proper divisors (32367).

97089 is a wasteful number, since it uses less digits than its factorization.

97089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32366.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 97089 is about 311.5910781778. The cubic root of 97089 is about 45.9610571480.

Subtracting 97089 from its reverse (98079), we obtain a triangular number (990 = T44).

The spelling of 97089 in words is "ninety-seven thousand, eighty-nine".

Divisors: 1 3 32363 97089