Search a number
-
+
85043200 = 2115211151
BaseRepresentation
bin1010001000110…
…10100000000000
312221000122100011
411010122200000
5133232340300
612234434304
72051566234
oct504324000
9187018304
1085043200
1144006240
1224592994
1314807a28
14b41a5c4
1576eceba
hex511a800

85043200 has 144 divisors (see below), whose sum is σ = 231547680. Its totient is φ = 30720000.

The previous prime is 85043191. The next prime is 85043201. The reversal of 85043200 is 234058.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (85043201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 563125 + ... + 563275.

It is an arithmetic number, because the mean of its divisors is an integer number (1607970).

Almost surely, 285043200 is an apocalyptic number.

85043200 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 85043200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115773840).

85043200 is an abundant number, since it is smaller than the sum of its proper divisors (146504480).

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

85043200 is a wasteful number, since it uses less digits than its factorization.

85043200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 85043200 is about 9221.8870086333. The cubic root of 85043200 is about 439.7574420677.

Adding to 85043200 its reverse (234058), we get a palindrome (85277258).

The spelling of 85043200 in words is "eighty-five million, forty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 100 110 128 151 160 176 200 220 256 275 302 320 352 400 440 512 550 604 640 704 755 800 880 1024 1100 1208 1280 1408 1510 1600 1661 1760 2048 2200 2416 2560 2816 3020 3200 3322 3520 3775 4400 4832 5120 5632 6040 6400 6644 7040 7550 8305 8800 9664 10240 11264 12080 12800 13288 14080 15100 16610 17600 19328 22528 24160 25600 26576 28160 30200 33220 35200 38656 41525 48320 51200 53152 56320 60400 66440 70400 77312 83050 96640 106304 112640 120800 132880 140800 154624 166100 193280 212608 241600 265760 281600 309248 332200 386560 425216 483200 531520 563200 664400 773120 850432 966400 1063040 1328800 1546240 1700864 1932800 2126080 2657600 3401728 3865600 4252160 5315200 7731200 8504320 10630400 17008640 21260800 42521600 85043200