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85080832 = 284359131
BaseRepresentation
bin1010001001000…
…11101100000000
312221002112221221
411010203230000
5133240041312
612235324424
72052114034
oct504435400
9187075857
1085080832
1144031541
12245b0714
131481bbb5
14b42a1c4
157709207
hex5123b00

85080832 has 72 divisors (see below), whose sum is σ = 178073280. Its totient is φ = 40535040.

The previous prime is 85080829. The next prime is 85080839. The reversal of 85080832 is 23808058.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85080839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649407 + ... + 649537.

It is an arithmetic number, because the mean of its divisors is an integer number (2473240).

Almost surely, 285080832 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 85080832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89036640).

85080832 is an abundant number, since it is smaller than the sum of its proper divisors (92992448).

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

85080832 is a wasteful number, since it uses less digits than its factorization.

85080832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 85080832 is about 9223.9271462864. The cubic root of 85080832 is about 439.8222973870.

The spelling of 85080832 in words is "eighty-five million, eighty thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 16 32 43 59 64 86 118 128 131 172 236 256 262 344 472 524 688 944 1048 1376 1888 2096 2537 2752 3776 4192 5074 5504 5633 7552 7729 8384 10148 11008 11266 15104 15458 16768 20296 22532 30916 33536 40592 45064 61832 81184 90128 123664 162368 180256 247328 324736 332347 360512 494656 649472 664694 721024 989312 1329388 1442048 1978624 2658776 5317552 10635104 21270208 42540416 85080832