Search a number
-
+
85230863 = 354724029
BaseRepresentation
bin1010001010010…
…00010100001111
312221101011202122
411011020110033
5133304341423
612242443155
72053310324
oct505102417
9187334678
1085230863
1144124233
12246634bb
1314872283
14b468b4b
1577388c8
hex514850f

85230863 has 4 divisors (see below), whose sum is σ = 85258440. Its totient is φ = 85203288.

The previous prime is 85230857. The next prime is 85230883. The reversal of 85230863 is 36803258.

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

It is a cyclic number.

It is not a de Polignac number, because 85230863 - 26 = 85230799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85230833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8468 + ... + 15561.

It is an arithmetic number, because the mean of its divisors is an integer number (21314610).

Almost surely, 285230863 is an apocalyptic number.

85230863 is a deficient number, since it is larger than the sum of its proper divisors (27577).

85230863 is a wasteful number, since it uses less digits than its factorization.

85230863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27576.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 85230863 is about 9232.0562714923. The cubic root of 85230863 is about 440.0806721917.

The spelling of 85230863 in words is "eighty-five million, two hundred thirty thousand, eight hundred sixty-three".

Divisors: 1 3547 24029 85230863