Search a number
-
+
85871048 = 2322974673
BaseRepresentation
bin1010001111001…
…00100111001000
312222120200221012
411013210213020
5133440333143
612304303052
72061614624
oct507444710
9188520835
1085871048
114452120a
1224911a88
1314a37793
14b594184
157813418
hex51e49c8

85871048 has 16 divisors (see below), whose sum is σ = 161112780. Its totient is φ = 42907648.

The previous prime is 85871041. The next prime is 85871057. The reversal of 85871048 is 84017858.

It can be written as a sum of positive squares in 2 ways, for example, as 79530724 + 6340324 = 8918^2 + 2518^2 .

It is a super-3 number, since 3×858710483 (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85870996 and 85871014.

It is not an unprimeable number, because it can be changed into a prime (85871041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16040 + ... + 20712.

Almost surely, 285871048 is an apocalyptic number.

It is an amenable number.

85871048 is a deficient number, since it is larger than the sum of its proper divisors (75241732).

85871048 is a wasteful number, since it uses less digits than its factorization.

85871048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6976 (or 6972 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 85871048 is about 9266.6632613903. The cubic root of 85871048 is about 441.1797677571.

The spelling of 85871048 in words is "eighty-five million, eight hundred seventy-one thousand, forty-eight".

Divisors: 1 2 4 8 2297 4594 4673 9188 9346 18376 18692 37384 10733881 21467762 42935524 85871048