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4099212 = 22321319461
BaseRepresentation
bin1111101000110010001100
321201021001200
433220302030
52022133322
6223505500
746562025
oct17506214
97637050
104099212
11234a887
121458290
13b06a90
14789c4c
1555e8ac
hex3e8c8c

4099212 has 72 divisors (see below), whose sum is σ = 11771760. Its totient is φ = 1192320.

The previous prime is 4099189. The next prime is 4099213. The reversal of 4099212 is 2129904.

4099212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4099213) by changing a digit.

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, 8662 + ... + 9122.

Almost surely, 24099212 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 4099212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5885880).

4099212 is an abundant number, since it is smaller than the sum of its proper divisors (7672548).

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

4099212 is a wasteful number, since it uses less digits than its factorization.

4099212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 4099212 is about 2024.6510810508. The cubic root of 4099212 is about 160.0418119892.

The spelling of 4099212 in words is "four million, ninety-nine thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 13 18 19 26 36 38 39 52 57 76 78 114 117 156 171 228 234 247 342 461 468 494 684 741 922 988 1383 1482 1844 2223 2766 2964 4149 4446 5532 5993 8298 8759 8892 11986 16596 17518 17979 23972 26277 35036 35958 52554 53937 71916 78831 105108 107874 113867 157662 215748 227734 315324 341601 455468 683202 1024803 1366404 2049606 4099212