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85789752 = 23317283743
BaseRepresentation
bin1010001110100…
…00110000111000
312222102120102020
411013100300320
5133430233002
612302434440
72061125616
oct507206070
9188376366
1085789752
1144476124
1224892a20
1314a09789
14b5726b6
1577e92bc
hex51d0c38

85789752 has 64 divisors (see below), whose sum is σ = 228199680. Its totient is φ = 26783232.

The previous prime is 85789721. The next prime is 85789763. The reversal of 85789752 is 25798758.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 85789695 and 85789704.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 115093 + ... + 115835.

It is an arithmetic number, because the mean of its divisors is an integer number (3565620).

Almost surely, 285789752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85789752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114099840).

85789752 is an abundant number, since it is smaller than the sum of its proper divisors (142409928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85789752 is a wasteful number, since it uses less digits than its factorization.

85789752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1048 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 51.

The square root of 85789752 is about 9262.2757462732. The cubic root of 85789752 is about 441.0404989519.

It can be divided in two parts, 857 and 89752, that added together give a palindrome (90609).

The spelling of 85789752 in words is "eighty-five million, seven hundred eighty-nine thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 283 408 566 743 849 1132 1486 1698 2229 2264 2972 3396 4458 4811 5944 6792 8916 9622 12631 14433 17832 19244 25262 28866 37893 38488 50524 57732 75786 101048 115464 151572 210269 303144 420538 630807 841076 1261614 1682152 2523228 3574573 5046456 7149146 10723719 14298292 21447438 28596584 42894876 85789752