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85493718 = 235434091
BaseRepresentation
bin1010001100010…
…00011111010110
312221212112100000
411012020133112
5133341244333
612252232130
72055453552
oct506103726
9187775300
1085493718
1144293772
122476b646
1314934acb
14b4d6862
15778b713
hex51887d6

85493718 has 48 divisors (see below), whose sum is σ = 196612416. Its totient is φ = 27828360.

The previous prime is 85493713. The next prime is 85493719. The reversal of 85493718 is 81739458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85493713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18853 + ... + 22943.

It is an arithmetic number, because the mean of its divisors is an integer number (4096092).

Almost surely, 285493718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85493718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98306208).

85493718 is an abundant number, since it is smaller than the sum of its proper divisors (111118698).

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

85493718 is a wasteful number, since it uses less digits than its factorization.

85493718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151 (or 4139 counting only the distinct ones).

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

The square root of 85493718 is about 9246.2813065578. The cubic root of 85493718 is about 440.5326160322.

The spelling of 85493718 in words is "eighty-five million, four hundred ninety-three thousand, seven hundred eighteen".

Divisors: 1 2 3 6 9 18 27 43 54 81 86 129 162 243 258 387 486 774 1161 2322 3483 4091 6966 8182 10449 12273 20898 24546 36819 73638 110457 175913 220914 331371 351826 527739 662742 994113 1055478 1583217 1988226 3166434 4749651 9499302 14248953 28497906 42746859 85493718