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85310743 = 717716897
BaseRepresentation
bin1010001010110…
…11110100010111
312221112020100011
411011123310113
5133314420433
612244301051
72054062240
oct505336427
9187466304
1085310743
1144179251
12246a1787
131489c73b
14b489cc7
1577523cd
hex515bd17

85310743 has 8 divisors (see below), whose sum is σ = 103233312. Its totient is φ = 68822016.

The previous prime is 85310717. The next prime is 85310747. The reversal of 85310743 is 34701358.

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

It is a cyclic number.

It is not a de Polignac number, because 85310743 - 25 = 85310711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85310747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358330 + ... + 358567.

It is an arithmetic number, because the mean of its divisors is an integer number (12904164).

Almost surely, 285310743 is an apocalyptic number.

85310743 is a deficient number, since it is larger than the sum of its proper divisors (17922569).

85310743 is a wasteful number, since it uses less digits than its factorization.

85310743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716921.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 85310743 is about 9236.3814884402. The cubic root of 85310743 is about 440.2181132795.

The spelling of 85310743 in words is "eighty-five million, three hundred ten thousand, seven hundred forty-three".

Divisors: 1 7 17 119 716897 5018279 12187249 85310743