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88097189 = 293300673
BaseRepresentation
bin1010100000001…
…00000110100101
320010202210121212
411100010012211
5140023102224
612424121205
72116546055
oct520040645
9203683555
1088097189
11458017a4
1225606205
1315336b1b
14b9b3565
157b02d0e
hex54041a5

88097189 has 4 divisors (see below), whose sum is σ = 88398156. Its totient is φ = 87796224.

The previous prime is 88097171. The next prime is 88097209. The reversal of 88097189 is 98179088.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60450625 + 27646564 = 7775^2 + 5258^2 .

It is a cyclic number.

It is not a de Polignac number, because 88097189 - 28 = 88096933 is a prime.

It is a super-2 number, since 2×880971892 = 15522229419403442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88097489) 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, 150044 + ... + 150629.

It is an arithmetic number, because the mean of its divisors is an integer number (22099539).

Almost surely, 288097189 is an apocalyptic number.

It is an amenable number.

88097189 is a deficient number, since it is larger than the sum of its proper divisors (300967).

88097189 is a wasteful number, since it uses less digits than its factorization.

88097189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300966.

The product of its (nonzero) digits is 290304, while the sum is 50.

The square root of 88097189 is about 9386.0102812643. The cubic root of 88097189 is about 444.9597051424.

The spelling of 88097189 in words is "eighty-eight million, ninety-seven thousand, one hundred eighty-nine".

Divisors: 1 293 300673 88097189