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2820048 = 2437211109
BaseRepresentation
bin1010110000011111010000
312022021101020
422300133100
51210220143
6140235440
732653500
oct12603720
95267336
102820048
111656820
12b3bb80
1377978a
14535a00
153aa883
hex2b07d0

2820048 has 120 divisors (see below), whose sum is σ = 9329760. Its totient is φ = 725760.

The previous prime is 2820043. The next prime is 2820071. The reversal of 2820048 is 8400282.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25818 + ... + 25926.

It is an arithmetic number, because the mean of its divisors is an integer number (77748).

22820048 is an apocalyptic number.

2820048 is a gapful number since it is divisible by the number (28) 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 2820048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4664880).

2820048 is an abundant number, since it is smaller than the sum of its proper divisors (6509712).

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

2820048 is a wasteful number, since it uses less digits than its factorization.

2820048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 2820048 is about 1679.2998541059. The cubic root of 2820048 is about 141.2815660259.

The spelling of 2820048 in words is "two million, eight hundred twenty thousand, forty-eight".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 49 56 66 77 84 88 98 109 112 132 147 154 168 176 196 218 231 264 294 308 327 336 392 436 462 528 539 588 616 654 763 784 872 924 1078 1176 1199 1232 1308 1526 1617 1744 1848 2156 2289 2352 2398 2616 3052 3234 3597 3696 4312 4578 4796 5232 5341 6104 6468 7194 8393 8624 9156 9592 10682 12208 12936 14388 16023 16786 18312 19184 21364 25179 25872 28776 32046 33572 36624 42728 50358 57552 58751 64092 67144 85456 100716 117502 128184 134288 176253 201432 235004 256368 352506 402864 470008 705012 940016 1410024 2820048