Search a number
-
+
4005960 = 2335719251
BaseRepresentation
bin1111010010000001001000
321112112010220
433102001020
52011142320
6221510040
746023120
oct17220110
97475126
104005960
112296812
121412320
13aa34ba
14763c80
15541e40
hex3d2048

4005960 has 128 divisors (see below), whose sum is σ = 14515200. Its totient is φ = 864000.

The previous prime is 4005959. The next prime is 4005971. The reversal of 4005960 is 695004.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4005960.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15835 + ... + 16085.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

Almost surely, 24005960 is an apocalyptic number.

4005960 is a gapful number since it is divisible by the number (40) 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 4005960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7257600).

4005960 is an abundant number, since it is smaller than the sum of its proper divisors (10509240).

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

4005960 is a wasteful number, since it uses less digits than its factorization.

4005960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 4005960 is about 2001.4894453881. The cubic root of 4005960 is about 158.8189069905.

The spelling of 4005960 in words is "four million, five thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 19 20 21 24 28 30 35 38 40 42 56 57 60 70 76 84 95 105 114 120 133 140 152 168 190 210 228 251 266 280 285 380 399 420 456 502 532 570 665 753 760 798 840 1004 1064 1140 1255 1330 1506 1596 1757 1995 2008 2280 2510 2660 3012 3192 3514 3765 3990 4769 5020 5271 5320 6024 7028 7530 7980 8785 9538 10040 10542 14056 14307 15060 15960 17570 19076 21084 23845 26355 28614 30120 33383 35140 38152 42168 47690 52710 57228 66766 70280 71535 95380 100149 105420 114456 133532 143070 166915 190760 200298 210840 267064 286140 333830 400596 500745 572280 667660 801192 1001490 1335320 2002980 4005960