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85973148 = 223217592381
BaseRepresentation
bin1010001111111…
…01100010011100
312222202212222200
411013331202130
5134002120043
612310411500
72062521402
oct507754234
9188685880
1085973148
1144590998
1224960b90
1314a720b1
14b5bd472
1578337d3
hex51fd89c

85973148 has 72 divisors (see below), whose sum is σ = 234102960. Its totient is φ = 26503680.

The previous prime is 85973123. The next prime is 85973161. The reversal of 85973148 is 84137958.

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, 34918 + ... + 37298.

It is an arithmetic number, because the mean of its divisors is an integer number (3251430).

Almost surely, 285973148 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 85973148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117051480).

85973148 is an abundant number, since it is smaller than the sum of its proper divisors (148129812).

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

85973148 is a wasteful number, since it uses less digits than its factorization.

85973148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467 (or 2462 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 85973148 is about 9272.1706196554. The cubic root of 85973148 is about 441.3545515934.

The spelling of 85973148 in words is "eighty-five million, nine hundred seventy-three thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 59 68 102 118 153 177 204 236 306 354 531 612 708 1003 1062 2006 2124 2381 3009 4012 4762 6018 7143 9027 9524 12036 14286 18054 21429 28572 36108 40477 42858 80954 85716 121431 140479 161908 242862 280958 364293 421437 485724 561916 728586 842874 1264311 1457172 1685748 2388143 2528622 4776286 5057244 7164429 9552572 14328858 21493287 28657716 42986574 85973148