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85878267 = 343665723
BaseRepresentation
bin1010001111001…
…10010111111011
312222121001211120
411013212113323
5133441101032
612304400323
72061644646
oct507462773
9188531746
1085878267
1144526682
12249160a3
1314a3ab57
14b596a5d
15781562c
hex51e65fb

85878267 has 8 divisors (see below), whose sum is σ = 117167424. Its totient is φ = 55920648.

The previous prime is 85878241. The next prime is 85878269. The reversal of 85878267 is 76287858.

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

It is not a de Polignac number, because 85878267 - 210 = 85877243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85878269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332733 + ... + 332990.

It is an arithmetic number, because the mean of its divisors is an integer number (14645928).

Almost surely, 285878267 is an apocalyptic number.

85878267 is a deficient number, since it is larger than the sum of its proper divisors (31289157).

85878267 is a wasteful number, since it uses less digits than its factorization.

85878267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665769.

The product of its digits is 1505280, while the sum is 51.

The square root of 85878267 is about 9267.0527677358. The cubic root of 85878267 is about 441.1921304318.

The spelling of 85878267 in words is "eighty-five million, eight hundred seventy-eight thousand, two hundred sixty-seven".

Divisors: 1 3 43 129 665723 1997169 28626089 85878267