Search a number
-
+
85692523 = 7216310729
BaseRepresentation
bin1010001101110…
…01000001101011
312222020122001011
411012321001223
5133414130043
612300404351
72060242300
oct506710153
9188218034
1085692523
114440a074
12248466b7
13149a4447
14b5490a7
1577ca59d
hex51b906b

85692523 has 12 divisors (see below), whose sum is σ = 100304040. Its totient is φ = 72993312.

The previous prime is 85692521. The next prime is 85692559. The reversal of 85692523 is 32529658.

It is not a de Polignac number, because 85692523 - 21 = 85692521 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85692521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2623 + ... + 13351.

It is an arithmetic number, because the mean of its divisors is an integer number (8358670).

Almost surely, 285692523 is an apocalyptic number.

85692523 is a deficient number, since it is larger than the sum of its proper divisors (14611517).

85692523 is a wasteful number, since it uses less digits than its factorization.

85692523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10906 (or 10899 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 85692523 is about 9257.0256022115. The cubic root of 85692523 is about 440.8738196154.

The spelling of 85692523 in words is "eighty-five million, six hundred ninety-two thousand, five hundred twenty-three".

Divisors: 1 7 49 163 1141 7987 10729 75103 525721 1748827 12241789 85692523