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85308800 = 275253503
BaseRepresentation
bin1010001010110…
…11010110000000
312221112010200012
411011123112000
5133314340200
612244244052
72054053463
oct505332600
9187463605
1085308800
1144177845
12246a0628
131489b8a5
14b4892da
157751a35
hex515b580

85308800 has 96 divisors (see below), whose sum is σ = 215142480. Its totient is φ = 33413120.

The previous prime is 85308799. The next prime is 85308827. The reversal of 85308800 is 880358.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169349 + ... + 169851.

Almost surely, 285308800 is an apocalyptic number.

85308800 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 85308800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107571240).

85308800 is an abundant number, since it is smaller than the sum of its proper divisors (129833680).

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

85308800 is a wasteful number, since it uses less digits than its factorization.

85308800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 85308800 is about 9236.2763059579. The cubic root of 85308800 is about 440.2147711827.

The spelling of 85308800 in words is "eighty-five million, three hundred eight thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 53 64 80 100 106 128 160 200 212 265 320 400 424 503 530 640 800 848 1006 1060 1325 1600 1696 2012 2120 2515 2650 3200 3392 4024 4240 5030 5300 6784 8048 8480 10060 10600 12575 16096 16960 20120 21200 25150 26659 32192 33920 40240 42400 50300 53318 64384 80480 84800 100600 106636 133295 160960 169600 201200 213272 266590 321920 402400 426544 533180 666475 804800 853088 1066360 1332950 1609600 1706176 2132720 2665900 3412352 4265440 5331800 8530880 10663600 17061760 21327200 42654400 85308800