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85245600 = 25352113229
BaseRepresentation
bin1010001010010…
…11111010100000
312221101220222110
411011023322200
5133310324400
612243035320
72053401306
oct505137240
9187356873
1085245600
1144134310
122466bb40
1314878bab
14b470276
15773ce50
hex514bea0

85245600 has 144 divisors (see below), whose sum is σ = 302793120. Its totient is φ = 20659200.

The previous prime is 85245593. The next prime is 85245607. The reversal of 85245600 is 654258.

It is an interprime number because it is at equal distance from previous prime (85245593) and next prime (85245607).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (85245607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24786 + ... + 28014.

It is an arithmetic number, because the mean of its divisors is an integer number (2102730).

Almost surely, 285245600 is an apocalyptic number.

85245600 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 85245600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151396560).

85245600 is an abundant number, since it is smaller than the sum of its proper divisors (217547520).

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

85245600 is a wasteful number, since it uses less digits than its factorization.

85245600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263 (or 3250 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 85245600 is about 9232.8543798762. The cubic root of 85245600 is about 440.1060350508.

Adding to 85245600 its reverse (654258), we get a palindrome (85899858).

The spelling of 85245600 in words is "eighty-five million, two hundred forty-five thousand, six hundred".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 32 33 40 44 48 50 55 60 66 75 80 88 96 100 110 120 132 150 160 165 176 200 220 240 264 275 300 330 352 400 440 480 528 550 600 660 800 825 880 1056 1100 1200 1320 1650 1760 2200 2400 2640 3229 3300 4400 5280 6458 6600 8800 9687 12916 13200 16145 19374 25832 26400 32290 35519 38748 48435 51664 64580 71038 77496 80725 96870 103328 106557 129160 142076 154992 161450 177595 193740 213114 242175 258320 284152 309984 322900 355190 387480 426228 484350 516640 532785 568304 645800 710380 774960 852456 887975 968700 1065570 1136608 1291600 1420760 1549920 1704912 1775950 1937400 2131140 2583200 2663925 2841520 3409824 3551900 3874800 4262280 5327850 5683040 7103800 7749600 8524560 10655700 14207600 17049120 21311400 28415200 42622800 85245600