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85204382 = 242602191
BaseRepresentation
bin1010001010000…
…01110110011110
312221022211102212
411011001312132
5133303020012
612242120422
72053140164
oct505016636
9187284385
1085204382
114410634a
1224650112
13148631c3
14b45d234
157730b22
hex5141d9e

85204382 has 4 divisors (see below), whose sum is σ = 127806576. Its totient is φ = 42602190.

The previous prime is 85204321. The next prime is 85204387. The reversal of 85204382 is 28340258.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85204387) 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 as a sum of consecutive naturals, namely, 21301094 + ... + 21301097.

It is an arithmetic number, because the mean of its divisors is an integer number (31951644).

Almost surely, 285204382 is an apocalyptic number.

85204382 is a deficient number, since it is larger than the sum of its proper divisors (42602194).

85204382 is a wasteful number, since it uses less digits than its factorization.

85204382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42602193.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 85204382 is about 9230.6219725433. The cubic root of 85204382 is about 440.0350901767.

The spelling of 85204382 in words is "eighty-five million, two hundred four thousand, three hundred eighty-two".

Divisors: 1 2 42602191 85204382