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4205916 = 223211131943
BaseRepresentation
bin10000000010110101011100
321220200102200
4100002311130
52034042131
6230051500
750515101
oct20026534
97820380
104205916
112412a70
1214a9b90
13b43510
147b6aa8
155812e6
hex402d5c

4205916 has 144 divisors (see below), whose sum is σ = 13453440. Its totient is φ = 1088640.

The previous prime is 4205911. The next prime is 4205917. The reversal of 4205916 is 6195024.

4205916 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4205916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4205911) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97791 + ... + 97833.

Almost surely, 24205916 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 4205916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6726720).

4205916 is an abundant number, since it is smaller than the sum of its proper divisors (9247524).

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

4205916 is a wasteful number, since it uses less digits than its factorization.

4205916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 4205916 is about 2050.8330014899. The cubic root of 4205916 is about 161.4185833782.

It can be divided in two parts, 420 and 5916, that added together give a palindrome (6336).

The spelling of 4205916 in words is "four million, two hundred five thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 9 11 12 13 18 19 22 26 33 36 38 39 43 44 52 57 66 76 78 86 99 114 117 129 132 143 156 171 172 198 209 228 234 247 258 286 342 387 396 418 429 468 473 494 516 559 572 627 684 741 774 817 836 858 946 988 1118 1254 1287 1419 1482 1548 1634 1677 1716 1881 1892 2223 2236 2451 2508 2574 2717 2838 2964 3268 3354 3762 4257 4446 4902 5031 5148 5434 5676 6149 6708 7353 7524 8151 8514 8892 8987 9804 10062 10621 10868 12298 14706 16302 17028 17974 18447 20124 21242 24453 24596 26961 29412 31863 32604 35948 36894 42484 48906 53922 55341 63726 73788 80883 95589 97812 107844 110682 116831 127452 161766 191178 221364 233662 323532 350493 382356 467324 700986 1051479 1401972 2102958 4205916