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88140443 = 6710191291
BaseRepresentation
bin1010100000011…
…10101010011011
320010211222221212
411100032222123
5140030443233
612425053335
72120116136
oct520165233
9203758855
1088140443
1145831246
122562724b
1315350711
14b9c521d
157b10a48
hex540ea9b

88140443 has 8 divisors (see below), whose sum is σ = 89613120. Its totient is φ = 86672520.

The previous prime is 88140383. The next prime is 88140491. The reversal of 88140443 is 34404188.

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 88140443 - 216 = 88074907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88140043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67628 + ... + 68918.

It is an arithmetic number, because the mean of its divisors is an integer number (11201640).

Almost surely, 288140443 is an apocalyptic number.

88140443 is a deficient number, since it is larger than the sum of its proper divisors (1472677).

88140443 is a wasteful number, since it uses less digits than its factorization.

88140443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 88140443 is about 9388.3141724167. The cubic root of 88140443 is about 445.0325154038.

The spelling of 88140443 in words is "eighty-eight million, one hundred forty thousand, four hundred forty-three".

Divisors: 1 67 1019 1291 68273 86497 1315529 88140443