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2828448 = 253272361
BaseRepresentation
bin1010110010100010100000
312022200220100
422302202200
51211002243
6140342400
733020130
oct12624240
95280810
102828448
111662067
12b44a00
1378054c
14538ac0
153ad0d3
hex2b28a0

2828448 has 144 divisors (see below), whose sum is σ = 9749376. Its totient is φ = 760320.

The previous prime is 2828431. The next prime is 2828453. The reversal of 2828448 is 8448282.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46338 + ... + 46398.

It is an arithmetic number, because the mean of its divisors is an integer number (67704).

22828448 is an apocalyptic number.

2828448 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 2828448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4874688).

2828448 is an abundant number, since it is smaller than the sum of its proper divisors (6920928).

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

2828448 is a wasteful number, since it uses less digits than its factorization.

2828448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 96 counting only the distinct ones).

The product of its digits is 32768, while the sum is 36.

The square root of 2828448 is about 1681.7990367461. The cubic root of 2828448 is about 141.4217041574.

The spelling of 2828448 in words is "two million, eight hundred twenty-eight thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 28 32 36 42 46 48 56 61 63 69 72 84 92 96 112 122 126 138 144 161 168 183 184 207 224 244 252 276 288 322 336 366 368 414 427 483 488 504 549 552 644 672 732 736 828 854 966 976 1008 1098 1104 1281 1288 1403 1449 1464 1656 1708 1932 1952 2016 2196 2208 2562 2576 2806 2898 2928 3312 3416 3843 3864 4209 4392 5124 5152 5612 5796 5856 6624 6832 7686 7728 8418 8784 9821 10248 11224 11592 12627 13664 15372 15456 16836 17568 19642 20496 22448 23184 25254 29463 30744 33672 39284 40992 44896 46368 50508 58926 61488 67344 78568 88389 101016 117852 122976 134688 157136 176778 202032 235704 314272 353556 404064 471408 707112 942816 1414224 2828448