Search a number
-
+
85688275 = 52103107311
BaseRepresentation
bin1010001101101…
…11111111010011
312222020102012211
411012313333103
5133414011100
612300332551
72060224021
oct506677723
9188212184
1085688275
1144406962
1224844157
13149a252a
14b547711
1577c91ba
hex51b7fd3

85688275 has 24 divisors (see below), whose sum is σ = 108635904. Its totient is φ = 67034400.

The previous prime is 85688249. The next prime is 85688311. The reversal of 85688275 is 57288658.

It is a happy number.

It is not a de Polignac number, because 85688275 - 27 = 85688147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275370 + ... + 275680.

It is an arithmetic number, because the mean of its divisors is an integer number (4526496).

Almost surely, 285688275 is an apocalyptic number.

85688275 is a deficient number, since it is larger than the sum of its proper divisors (22947629).

85688275 is a wasteful number, since it uses less digits than its factorization.

85688275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 526 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 49.

The square root of 85688275 is about 9256.7961520172. The cubic root of 85688275 is about 440.8665344099.

The spelling of 85688275 in words is "eighty-five million, six hundred eighty-eight thousand, two hundred seventy-five".

Divisors: 1 5 25 103 107 311 515 535 1555 2575 2675 7775 11021 32033 33277 55105 160165 166385 275525 800825 831925 3427531 17137655 85688275