Search a number
-
+
105242200 = 23527210739
BaseRepresentation
bin1100100010111…
…01111001011000
321100000212011021
412101131321120
5203420222300
614235412224
72415354400
oct621357130
9240025137
10105242200
1154452028
122b2b4074
1318a5a8bb
14dd97800
15938cd1a
hex645de58

105242200 has 72 divisors (see below), whose sum is σ = 284663700. Its totient is φ = 36079680.

The previous prime is 105242183. The next prime is 105242209. The reversal of 105242200 is 2242501.

It is a super-2 number, since 2×1052422002 = 22151841321680000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105242209) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4431 + ... + 15169.

Almost surely, 2105242200 is an apocalyptic number.

105242200 is a gapful number since it is divisible by the number (10) 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 105242200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142331850).

105242200 is an abundant number, since it is smaller than the sum of its proper divisors (179421500).

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

105242200 is a wasteful number, since it uses less digits than its factorization.

105242200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10769 (or 10753 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 105242200 is about 10258.7621085587. The cubic root of 105242200 is about 472.1318577314.

Adding to 105242200 its reverse (2242501), we get a palindrome (107484701).

The spelling of 105242200 in words is "one hundred five million, two hundred forty-two thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 49 50 56 70 98 100 140 175 196 200 245 280 350 392 490 700 980 1225 1400 1960 2450 4900 9800 10739 21478 42956 53695 75173 85912 107390 150346 214780 268475 300692 375865 429560 526211 536950 601384 751730 1052422 1073900 1503460 1879325 2104844 2147800 2631055 3006920 3758650 4209688 5262110 7517300 10524220 13155275 15034600 21048440 26310550 52621100 105242200