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4220160 = 28357157
BaseRepresentation
bin10000000110010100000000
321221101222020
4100012110000
52040021120
6230241440
750604450
oct20062400
97841866
104220160
11242273a
1214b6280
13b49b49
147bbd60
15585640
hex406500

4220160 has 144 divisors (see below), whose sum is σ = 15501696. Its totient is φ = 958464.

The previous prime is 4220143. The next prime is 4220173. The reversal of 4220160 is 610224.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26802 + ... + 26958.

Almost surely, 24220160 is an apocalyptic number.

4220160 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 4220160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7750848).

4220160 is an abundant number, since it is smaller than the sum of its proper divisors (11281536).

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

4220160 is a wasteful number, since it uses less digits than its factorization.

4220160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4220160 is about 2054.3028014390. The cubic root of 4220160 is about 161.6006012460.

Adding to 4220160 its reverse (610224), we get a palindrome (4830384).

It can be divided in two parts, 42 and 20160, that added together give a palindrome (20202).

The spelling of 4220160 in words is "four million, two hundred twenty thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 157 160 168 192 210 224 240 256 280 314 320 336 384 420 448 471 480 560 628 640 672 768 785 840 896 942 960 1099 1120 1256 1280 1344 1570 1680 1792 1884 1920 2198 2240 2355 2512 2688 3140 3297 3360 3768 3840 4396 4480 4710 5024 5376 5495 6280 6594 6720 7536 8792 8960 9420 10048 10990 12560 13188 13440 15072 16485 17584 18840 20096 21980 25120 26376 26880 30144 32970 35168 37680 40192 43960 50240 52752 60288 65940 70336 75360 87920 100480 105504 120576 131880 140672 150720 175840 200960 211008 263760 281344 301440 351680 422016 527520 602880 703360 844032 1055040 1406720 2110080 4220160