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85294944 = 253571567
BaseRepresentation
bin1010001010101…
…11111101100000
312221111102200000
411011113331200
5133313414234
612244100000
72053665210
oct505277540
9187442600
1085294944
1144168399
1224694600
13148954a7
14b484240
15774c899
hex5157f60

85294944 has 144 divisors (see below), whose sum is σ = 287659008. Its totient is φ = 24354432.

The previous prime is 85294939. The next prime is 85294969. The reversal of 85294944 is 44949258.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 85294944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53649 + ... + 55215.

It is an arithmetic number, because the mean of its divisors is an integer number (1997632).

Almost surely, 285294944 is an apocalyptic number.

85294944 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 85294944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143829504).

85294944 is an abundant number, since it is smaller than the sum of its proper divisors (202364064).

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

85294944 is a wasteful number, since it uses less digits than its factorization.

85294944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599 (or 1579 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 85294944 is about 9235.5261896656. The cubic root of 85294944 is about 440.1909364156.

The spelling of 85294944 in words is "eighty-five million, two hundred ninety-four thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 81 84 96 108 112 126 144 162 168 189 216 224 243 252 288 324 336 378 432 486 504 567 648 672 756 864 972 1008 1134 1296 1512 1567 1701 1944 2016 2268 2592 3024 3134 3402 3888 4536 4701 6048 6268 6804 7776 9072 9402 10969 12536 13608 14103 18144 18804 21938 25072 27216 28206 32907 37608 42309 43876 50144 54432 56412 65814 75216 84618 87752 98721 112824 126927 131628 150432 169236 175504 197442 225648 253854 263256 296163 338472 351008 380781 394884 451296 507708 526512 592326 676944 761562 789768 888489 1015416 1053024 1184652 1353888 1523124 1579536 1776978 2030832 2369304 2665467 3046248 3159072 3553956 4061664 4738608 5330934 6092496 7107912 9477216 10661868 12184992 14215824 21323736 28431648 42647472 85294944