Search a number
-
+
84103200 = 25325211681
BaseRepresentation
bin1010000001101…
…01000000100000
312212020212220100
411000311000200
5133012300300
612202342400
72040602556
oct500650040
9185225810
1084103200
1143523a85
12241baa00
1314568c0c
14b253bd6
1575b4700
hex5035020

84103200 has 108 divisors (see below), whose sum is σ = 296594298. Its totient is φ = 22425600.

The previous prime is 84103189. The next prime is 84103213. The reversal of 84103200 is 230148.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 62536464 + 21566736 = 7908^2 + 4644^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 1360 + ... + 13040.

Almost surely, 284103200 is an apocalyptic number.

84103200 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 84103200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148297149).

84103200 is an abundant number, since it is smaller than the sum of its proper divisors (212491098).

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

84103200 is a wasteful number, since it uses less digits than its factorization.

84103200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11707 (or 11691 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 84103200 is about 9170.7796833203. The cubic root of 84103200 is about 438.1311923263.

Adding to 84103200 its reverse (230148), we get a palindrome (84333348).

The spelling of 84103200 in words is "eighty-four million, one hundred three thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 72 75 80 90 96 100 120 144 150 160 180 200 225 240 288 300 360 400 450 480 600 720 800 900 1200 1440 1800 2400 3600 7200 11681 23362 35043 46724 58405 70086 93448 105129 116810 140172 175215 186896 210258 233620 280344 292025 350430 373792 420516 467240 525645 560688 584050 700860 841032 876075 934480 1051290 1121376 1168100 1401720 1682064 1752150 1868960 2102580 2336200 2628225 2803440 3364128 3504300 4205160 4672400 5256450 5606880 7008600 8410320 9344800 10512900 14017200 16820640 21025800 28034400 42051600 84103200