Search a number
-
+
85286124 = 223271122797
BaseRepresentation
bin1010001010101…
…01110011101100
312221110222120100
411011111303230
5133313123444
612243551100
72053630410
oct505256354
9187428510
1085286124
1144161800
122468b490
1314891481
14b480d40
157749e69
hex5155cec

85286124 has 108 divisors (see below), whose sum is σ = 270913552. Its totient is φ = 22144320.

The previous prime is 85286111. The next prime is 85286167. The reversal of 85286124 is 42168258.

85286124 is a `hidden beast` number, since 8 + 528 + 6 + 124 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29094 + ... + 31890.

Almost surely, 285286124 is an apocalyptic number.

85286124 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85286124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135456776).

85286124 is an abundant number, since it is smaller than the sum of its proper divisors (185627428).

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

85286124 is a wasteful number, since it uses less digits than its factorization.

85286124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836 (or 2820 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 85286124 is about 9235.0486733964. The cubic root of 85286124 is about 440.1757631134.

The spelling of 85286124 in words is "eighty-five million, two hundred eighty-six thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 63 66 77 84 99 121 126 132 154 198 231 242 252 308 363 396 462 484 693 726 847 924 1089 1386 1452 1694 2178 2541 2772 2797 3388 4356 5082 5594 7623 8391 10164 11188 15246 16782 19579 25173 30492 30767 33564 39158 50346 58737 61534 78316 92301 100692 117474 123068 176211 184602 215369 234948 276903 338437 352422 369204 430738 553806 646107 676874 704844 861476 1015311 1107612 1292214 1353748 1938321 2030622 2369059 2584428 3045933 3876642 4061244 4738118 6091866 7107177 7753284 9476236 12183732 14214354 21321531 28428708 42643062 85286124