Search a number
-
+
85868588 = 22132297211
BaseRepresentation
bin1010001111001…
…00000000101100
312222120120120002
411013210000230
5133440243323
612304243432
72061604511
oct507440054
9188516502
1085868588
114451a383
1224910578
1314a36620
14b593308
157812828
hex51e402c

85868588 has 24 divisors (see below), whose sum is σ = 162558480. Its totient is φ = 39453120.

The previous prime is 85868579. The next prime is 85868597. The reversal of 85868588 is 88586858.

It is an interprime number because it is at equal distance from previous prime (85868579) and next prime (85868597).

It is a super-2 number, since 2×858685882 = 14746828810227488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8303 + ... + 15513.

It is an arithmetic number, because the mean of its divisors is an integer number (6773270).

Almost surely, 285868588 is an apocalyptic number.

It is an amenable number.

85868588 is a deficient number, since it is larger than the sum of its proper divisors (76689892).

85868588 is a wasteful number, since it uses less digits than its factorization.

85868588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7457 (or 7455 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 56.

The square root of 85868588 is about 9266.5305265779. The cubic root of 85868588 is about 441.1755548021.

The spelling of 85868588 in words is "eighty-five million, eight hundred sixty-eight thousand, five hundred eighty-eight".

Divisors: 1 2 4 13 26 52 229 458 916 2977 5954 7211 11908 14422 28844 93743 187486 374972 1651319 3302638 6605276 21467147 42934294 85868588