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82743465 = 357788033
BaseRepresentation
bin1001110111010…
…01000010101001
312202200210200210
410323221002221
5132140242330
612113251333
72023210410
oct473510251
9182623623
1082743465
1142785432
1223863b49
13141b103c
14adbc477
1573e68b0
hex4ee90a9

82743465 has 16 divisors (see below), whose sum is σ = 151302528. Its totient is φ = 37825536.

The previous prime is 82743413. The next prime is 82743469. The reversal of 82743465 is 56434728.

It is a happy number.

It is not a de Polignac number, because 82743465 - 27 = 82743337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82743469) 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 15 ways as a sum of consecutive naturals, for example, 393912 + ... + 394121.

It is an arithmetic number, because the mean of its divisors is an integer number (9456408).

Almost surely, 282743465 is an apocalyptic number.

It is an amenable number.

82743465 is a deficient number, since it is larger than the sum of its proper divisors (68559063).

82743465 is a wasteful number, since it uses less digits than its factorization.

82743465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788048.

The product of its digits is 161280, while the sum is 39.

The square root of 82743465 is about 9096.3434961527. The cubic root of 82743465 is about 435.7571961937.

The spelling of 82743465 in words is "eighty-two million, seven hundred forty-three thousand, four hundred sixty-five".

Divisors: 1 3 5 7 15 21 35 105 788033 2364099 3940165 5516231 11820495 16548693 27581155 82743465