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85710379 = 1716972971
BaseRepresentation
bin1010001101111…
…01011000101011
312222021112112111
411012331120223
5133420213004
612301023151
72060345326
oct506753053
9188245474
1085710379
1144421527
1224854ab7
13149ac601
14b5517bd
1577d0a04
hex51bd62b

85710379 has 8 divisors (see below), whose sum is σ = 90836208. Its totient is φ = 80593920.

The previous prime is 85710371. The next prime is 85710431. The reversal of 85710379 is 97301758.

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 85710379 - 23 = 85710371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85710371) 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, 27364 + ... + 30334.

It is an arithmetic number, because the mean of its divisors is an integer number (11354526).

Almost surely, 285710379 is an apocalyptic number.

85710379 is a deficient number, since it is larger than the sum of its proper divisors (5125829).

85710379 is a wasteful number, since it uses less digits than its factorization.

85710379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 85710379 is about 9257.9900086358. The cubic root of 85710379 is about 440.9044395417.

It can be divided in two parts, 857 and 10379, that added together give a square (11236 = 1062).

The spelling of 85710379 in words is "eighty-five million, seven hundred ten thousand, three hundred seventy-nine".

Divisors: 1 17 1697 2971 28849 50507 5041787 85710379