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2229120 = 2734543
BaseRepresentation
bin1000100000001110000000
311012020210000
420200032000
51032312440
6115440000
724642615
oct10401600
94166700
102229120
111292853
128b6000
1360080a
1442050c
152e0730
hex220380

2229120 has 160 divisors (see below), whose sum is σ = 8145720. Its totient is φ = 580608.

The previous prime is 2229119. The next prime is 2229121. The reversal of 2229120 is 219222.

2229120 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2229119) and next prime (2229121).

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2229093 and 2229102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229121) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 51819 + ... + 51861.

22229120 is an apocalyptic number.

2229120 is a gapful number since it is divisible by the number (20) 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 2229120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4072860).

2229120 is an abundant number, since it is smaller than the sum of its proper divisors (5916600).

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

2229120 is an equidigital number, since it uses as much as digits as its factorization.

2229120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2229120 is about 1493.0237774396. The cubic root of 2229120 is about 130.6304680144.

The spelling of 2229120 in words is "two million, two hundred twenty-nine thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 43 45 48 54 60 64 72 80 81 86 90 96 108 120 128 129 135 144 160 162 172 180 192 215 216 240 258 270 288 320 324 344 360 384 387 405 430 432 480 516 540 576 640 645 648 688 720 774 810 860 864 960 1032 1080 1152 1161 1290 1296 1376 1440 1548 1620 1720 1728 1920 1935 2064 2160 2322 2580 2592 2752 2880 3096 3240 3440 3456 3483 3870 4128 4320 4644 5160 5184 5504 5760 5805 6192 6480 6880 6966 7740 8256 8640 9288 10320 10368 11610 12384 12960 13760 13932 15480 16512 17280 17415 18576 20640 23220 24768 25920 27520 27864 30960 34830 37152 41280 46440 49536 51840 55728 61920 69660 74304 82560 92880 111456 123840 139320 148608 185760 222912 247680 278640 371520 445824 557280 743040 1114560 2229120