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82439202 = 23137100291
BaseRepresentation
bin1001110100111…
…10110000100010
312202010100022210
410322132300202
5132101023302
612102542550
72020502346
oct472366042
9182110283
1082439202
114259787a
1223737a56
13141056c1
14ad3d626
15738666c
hex4e9ec22

82439202 has 16 divisors (see below), whose sum is σ = 166083552. Its totient is φ = 27278880.

The previous prime is 82439173. The next prime is 82439209. The reversal of 82439202 is 20293428.

It is a self number, because there is not a number n which added to its sum of digits gives 82439202.

It is not an unprimeable number, because it can be changed into a prime (82439209) 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, 49324 + ... + 50967.

It is an arithmetic number, because the mean of its divisors is an integer number (10380222).

Almost surely, 282439202 is an apocalyptic number.

82439202 is an abundant number, since it is smaller than the sum of its proper divisors (83644350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82439202 is a wasteful number, since it uses less digits than its factorization.

82439202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100433.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 82439202 is about 9079.6036257097. The cubic root of 82439202 is about 435.2224202750. Note that the first 3 decimals are identical.

The spelling of 82439202 in words is "eighty-two million, four hundred thirty-nine thousand, two hundred two".

Divisors: 1 2 3 6 137 274 411 822 100291 200582 300873 601746 13739867 27479734 41219601 82439202