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85175760 = 2435675297
BaseRepresentation
bin1010001001110…
…10110111010000
312221021101011210
411010322313100
5133301111020
612241340120
72052660555
oct504726720
9187241153
1085175760
114409689a
1224637640
1314853177
14b452a2c
1577273e0
hex513add0

85175760 has 80 divisors (see below), whose sum is σ = 268036416. Its totient is φ = 22370304.

The previous prime is 85175731. The next prime is 85175771. The reversal of 85175760 is 6757158.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13432 + ... + 18728.

Almost surely, 285175760 is an apocalyptic number.

85175760 is a gapful number since it is divisible by the number (80) 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 85175760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134018208).

85175760 is an abundant number, since it is smaller than the sum of its proper divisors (182860656).

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

85175760 is a wasteful number, since it uses less digits than its factorization.

85175760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5380 (or 5374 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 39.

The square root of 85175760 is about 9229.0714592531. The cubic root of 85175760 is about 439.9858122147.

The spelling of 85175760 in words is "eighty-five million, one hundred seventy-five thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 67 80 120 134 201 240 268 335 402 536 670 804 1005 1072 1340 1608 2010 2680 3216 4020 5297 5360 8040 10594 15891 16080 21188 26485 31782 42376 52970 63564 79455 84752 105940 127128 158910 211880 254256 317820 354899 423760 635640 709798 1064697 1271280 1419596 1774495 2129394 2839192 3548990 4258788 5323485 5678384 7097980 8517576 10646970 14195960 17035152 21293940 28391920 42587880 85175760