Search a number
-
+
4272100 = 2252717359
BaseRepresentation
bin10000010010111111100100
322001001012221
4100102333210
52043201400
6231322124
751212050
oct20227744
98031187
104272100
112458768
121520344
13b67691
147d2c60
15595c1a
hex412fe4

4272100 has 72 divisors (see below), whose sum is σ = 11249280. Its totient is φ = 1374720.

The previous prime is 4272091. The next prime is 4272113. The reversal of 4272100 is 12724.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11721 + ... + 12079.

It is an arithmetic number, because the mean of its divisors is an integer number (156240).

Almost surely, 24272100 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 4272100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5624640).

4272100 is an abundant number, since it is smaller than the sum of its proper divisors (6977180).

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

4272100 is a wasteful number, since it uses less digits than its factorization.

4272100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 4272100 is about 2066.9059001319. The cubic root of 4272100 is about 162.2608711594.

Adding to 4272100 its reverse (12724), we get a palindrome (4284824).

The spelling of 4272100 in words is "four million, two hundred seventy-two thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 17 20 25 28 34 35 50 68 70 85 100 119 140 170 175 238 340 350 359 425 476 595 700 718 850 1190 1436 1700 1795 2380 2513 2975 3590 5026 5950 6103 7180 8975 10052 11900 12206 12565 17950 24412 25130 30515 35900 42721 50260 61030 62825 85442 122060 125650 152575 170884 213605 251300 305150 427210 610300 854420 1068025 2136050 4272100