Search a number
-
+
85924631 = 1319347873
BaseRepresentation
bin1010001111100…
…01101100010111
312222200102102202
411013301230113
5133444042011
612305355115
72062230062
oct507615427
9188612382
1085924631
11445584a1
1224938a9b
1314a55ca0
14b5a98d9
15782423b
hex51f1b17

85924631 has 8 divisors (see below), whose sum is σ = 97404720. Its totient is φ = 75140352.

The previous prime is 85924627. The next prime is 85924633. The reversal of 85924631 is 13642958.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85924631 - 22 = 85924627 is a prime.

It is a super-2 number, since 2×859246312 = 14766084424972322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85924633) 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, 173690 + ... + 174183.

It is an arithmetic number, because the mean of its divisors is an integer number (12175590).

Almost surely, 285924631 is an apocalyptic number.

85924631 is a deficient number, since it is larger than the sum of its proper divisors (11480089).

85924631 is a wasteful number, since it uses less digits than its factorization.

85924631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347905.

The product of its digits is 51840, while the sum is 38.

The square root of 85924631 is about 9269.5539806401. The cubic root of 85924631 is about 441.2715131542.

The spelling of 85924631 in words is "eighty-five million, nine hundred twenty-four thousand, six hundred thirty-one".

Divisors: 1 13 19 247 347873 4522349 6609587 85924631