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82144359 = 3211275431
BaseRepresentation
bin1001110010101…
…10110001100111
312201120100212200
410321112301213
5132012104414
612052345543
72015133633
oct471266147
9181510780
1082144359
1142406300
12236152b3
131403143b
14aca3dc3
157329109
hex4e56c67

82144359 has 18 divisors (see below), whose sum is σ = 130421928. Its totient is φ = 49783800.

The previous prime is 82144313. The next prime is 82144367. The reversal of 82144359 is 95344128.

82144359 is a `hidden beast` number, since 8 + 214 + 435 + 9 = 666.

It is not a de Polignac number, because 82144359 - 212 = 82140263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82144259) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 36627 + ... + 38804.

Almost surely, 282144359 is an apocalyptic number.

82144359 is a deficient number, since it is larger than the sum of its proper divisors (48277569).

82144359 is a wasteful number, since it uses less digits than its factorization.

82144359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75459 (or 75445 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 82144359 is about 9063.3525254180. The cubic root of 82144359 is about 434.7029442379.

It can be divided in two parts, 82 and 144359, that added together give a palindrome (144441).

The spelling of 82144359 in words is "eighty-two million, one hundred forty-four thousand, three hundred fifty-nine".

Divisors: 1 3 9 11 33 99 121 363 1089 75431 226293 678879 829741 2489223 7467669 9127151 27381453 82144359