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85084507 = 175004971
BaseRepresentation
bin1010001001001…
…00100101011011
312221002202000001
411010210211123
5133240201012
612235353431
72052130534
oct504444533
9187082001
1085084507
1144034282
12245b2877
1314820781
14b42b68b
15770a357
hex512495b

85084507 has 4 divisors (see below), whose sum is σ = 90089496. Its totient is φ = 80079520.

The previous prime is 85084499. The next prime is 85084511. The reversal of 85084507 is 70548058.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85084507 - 23 = 85084499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85084547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502469 + ... + 2502502.

It is an arithmetic number, because the mean of its divisors is an integer number (22522374).

Almost surely, 285084507 is an apocalyptic number.

85084507 is a deficient number, since it is larger than the sum of its proper divisors (5004989).

85084507 is a wasteful number, since it uses less digits than its factorization.

85084507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004988.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 85084507 is about 9224.1263542950. The cubic root of 85084507 is about 439.8286298892.

The spelling of 85084507 in words is "eighty-five million, eighty-four thousand, five hundred seven".

Divisors: 1 17 5004971 85084507