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88144329 = 3713616779
BaseRepresentation
bin1010100000011…
…11100111001001
320010212012021210
411100033213021
5140031104304
612425123333
72120133360
oct520174711
9203765253
1088144329
1145834159
1225629549
1315352410
14b9c67d7
157b11c89
hex540f9c9

88144329 has 64 divisors (see below), whose sum is σ = 151101440. Its totient is φ = 44478720.

The previous prime is 88144321. The next prime is 88144339. The reversal of 88144329 is 92344188.

It is not a de Polignac number, because 88144329 - 23 = 88144321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (88144321) 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 63 ways as a sum of consecutive naturals, for example, 1115712 + ... + 1115790.

It is an arithmetic number, because the mean of its divisors is an integer number (2360960).

Almost surely, 288144329 is an apocalyptic number.

It is an amenable number.

88144329 is a deficient number, since it is larger than the sum of its proper divisors (62957111).

88144329 is a wasteful number, since it uses less digits than its factorization.

88144329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its digits is 55296, while the sum is 39.

The square root of 88144329 is about 9388.5211295496. The cubic root of 88144329 is about 445.0390556135.

The spelling of 88144329 in words is "eighty-eight million, one hundred forty-four thousand, three hundred twenty-nine".

Divisors: 1 3 7 13 21 39 61 67 79 91 183 201 237 273 427 469 553 793 871 1027 1281 1407 1659 2379 2613 3081 4087 4819 5293 5551 6097 7189 12261 14457 15879 16653 18291 21567 28609 33733 37051 53131 62647 68809 85827 101199 111153 159393 187941 206427 322873 371917 438529 481663 968619 1115751 1315587 1444989 2260111 4197349 6780333 12592047 29381443 88144329