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85023867 = 3166916981
BaseRepresentation
bin1010001000101…
…01110001111011
312220222122211010
411010111301323
5133231230432
612234205003
72051455665
oct504256173
9186878733
1085023867
1143aa2765
1224583763
13147cbca6
14b413535
1576e73cc
hex5115c7b

85023867 has 8 divisors (see below), whose sum is σ = 113439760. Its totient is φ = 56645280.

The previous prime is 85023863. The next prime is 85023877. The reversal of 85023867 is 76832058.

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

It is not a de Polignac number, because 85023867 - 22 = 85023863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85023863) 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, 3484 + ... + 13497.

It is an arithmetic number, because the mean of its divisors is an integer number (14179970).

Almost surely, 285023867 is an apocalyptic number.

85023867 is a deficient number, since it is larger than the sum of its proper divisors (28415893).

85023867 is a wasteful number, since it uses less digits than its factorization.

85023867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18653.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 85023867 is about 9220.8387362539. The cubic root of 85023867 is about 439.7241159662.

The spelling of 85023867 in words is "eighty-five million, twenty-three thousand, eight hundred sixty-seven".

Divisors: 1 3 1669 5007 16981 50943 28341289 85023867