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85189298 = 2291468781
BaseRepresentation
bin1010001001111…
…10001010110010
312221022001202012
411010332022302
5133302024143
612241522522
72053045205
oct504761262
9187261665
1085189298
11440a5a87
1224643442
131485938c
14b45793c
15772b418
hex513e2b2

85189298 has 8 divisors (see below), whose sum is σ = 132190380. Its totient is φ = 41125840.

The previous prime is 85189297. The next prime is 85189337. The reversal of 85189298 is 89298158.

It can be written as a sum of positive squares in 2 ways, for example, as 83850649 + 1338649 = 9157^2 + 1157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85189297) 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 3 ways as a sum of consecutive naturals, for example, 734333 + ... + 734448.

Almost surely, 285189298 is an apocalyptic number.

85189298 is a deficient number, since it is larger than the sum of its proper divisors (47001082).

85189298 is a wasteful number, since it uses less digits than its factorization.

85189298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468812.

The product of its digits is 414720, while the sum is 50.

The square root of 85189298 is about 9229.8048733437. The cubic root of 85189298 is about 440.0091217117.

The spelling of 85189298 in words is "eighty-five million, one hundred eighty-nine thousand, two hundred ninety-eight".

Divisors: 1 2 29 58 1468781 2937562 42594649 85189298