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88534681 = 101876581
BaseRepresentation
bin1010100011011…
…10111010011001
320011121000202021
411101232322121
5140131102211
612441334441
72123350414
oct521567231
9204530667
1088534681
1145a80464
1225797421
131545acb1
14ba88b7b
157b8c771
hex546ee99

88534681 has 4 divisors (see below), whose sum is σ = 89411364. Its totient is φ = 87658000.

The previous prime is 88534643. The next prime is 88534687. The reversal of 88534681 is 18643588.

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 86025625 + 2509056 = 9275^2 + 1584^2 .

It is a cyclic number.

It is not a de Polignac number, because 88534681 - 213 = 88526489 is a prime.

It is a super-2 number, since 2×885346812 = 15676779479543522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88534687) 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, 438190 + ... + 438391.

It is an arithmetic number, because the mean of its divisors is an integer number (22352841).

Almost surely, 288534681 is an apocalyptic number.

It is an amenable number.

88534681 is a deficient number, since it is larger than the sum of its proper divisors (876683).

88534681 is a wasteful number, since it uses less digits than its factorization.

88534681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876682.

The product of its digits is 184320, while the sum is 43.

The square root of 88534681 is about 9409.2869549185. The cubic root of 88534681 is about 445.6950481614.

The spelling of 88534681 in words is "eighty-eight million, five hundred thirty-four thousand, six hundred eighty-one".

Divisors: 1 101 876581 88534681