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4120320 = 28352937
BaseRepresentation
bin1111101101111100000000
321202100000110
433231330000
52023322240
6224151320
750010411
oct17557400
97670013
104120320
112364726
121468540
13b13579
14793808
15565c80
hex3edf00

4120320 has 144 divisors (see below), whose sum is σ = 13980960. Its totient is φ = 1032192.

The previous prime is 4120313. The next prime is 4120331. The reversal of 4120320 is 230214.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 4120296 and 4120305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111342 + ... + 111378.

It is an arithmetic number, because the mean of its divisors is an integer number (97090).

Almost surely, 24120320 is an apocalyptic number.

4120320 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 4120320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6990480).

4120320 is an abundant number, since it is smaller than the sum of its proper divisors (9860640).

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

4120320 is a wasteful number, since it uses less digits than its factorization.

4120320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 4120320 is about 2029.8571378301. The cubic root of 4120320 is about 160.3160419898.

Adding to 4120320 its reverse (230214), we get a palindrome (4350534).

The spelling of 4120320 in words is "four million, one hundred twenty thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 37 40 48 58 60 64 74 80 87 96 111 116 120 128 145 148 160 174 185 192 222 232 240 256 290 296 320 348 370 384 435 444 464 480 555 580 592 640 696 740 768 870 888 928 960 1073 1110 1160 1184 1280 1392 1480 1740 1776 1856 1920 2146 2220 2320 2368 2784 2960 3219 3480 3552 3712 3840 4292 4440 4640 4736 5365 5568 5920 6438 6960 7104 7424 8584 8880 9280 9472 10730 11136 11840 12876 13920 14208 16095 17168 17760 18560 21460 22272 23680 25752 27840 28416 32190 34336 35520 37120 42920 47360 51504 55680 64380 68672 71040 85840 103008 111360 128760 137344 142080 171680 206016 257520 274688 343360 412032 515040 686720 824064 1030080 1373440 2060160 4120320