Search a number
-
+
85272936 = 23372591229
BaseRepresentation
bin1010001010100…
…10100101101000
312221110022110220
411011102211220
5133312213221
612243410040
72053544100
oct505224550
9187408426
1085272936
1144152901
1224683920
1314888478
14b47a200
1577460c6
hex5152968

85272936 has 96 divisors (see below), whose sum is σ = 252396000. Its totient is φ = 23931264.

The previous prime is 85272883. The next prime is 85272949. The reversal of 85272936 is 63927258.

It is a super-2 number, since 2×852729362 = 14542947228120192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 23 ways as a sum of consecutive naturals, for example, 68770 + ... + 69998.

It is an arithmetic number, because the mean of its divisors is an integer number (2629125).

Almost surely, 285272936 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 85272936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126198000).

85272936 is an abundant number, since it is smaller than the sum of its proper divisors (167123064).

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

85272936 is a wasteful number, since it uses less digits than its factorization.

85272936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311 (or 1300 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 85272936 is about 9234.3346268153. The cubic root of 85272936 is about 440.1530734622.

The spelling of 85272936 in words is "eighty-five million, two hundred seventy-two thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 59 84 98 118 147 168 177 196 236 294 354 392 413 472 588 708 826 1176 1229 1239 1416 1652 2458 2478 2891 3304 3687 4916 4956 5782 7374 8603 8673 9832 9912 11564 14748 17206 17346 23128 25809 29496 34412 34692 51618 60221 68824 69384 72511 103236 120442 145022 180663 206472 217533 240884 290044 361326 435066 481768 507577 580088 722652 870132 1015154 1445304 1522731 1740264 2030308 3045462 3553039 4060616 6090924 7106078 10659117 12181848 14212156 21318234 28424312 42636468 85272936