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2829120 = 26357421
BaseRepresentation
bin1010110010101101000000
312022201211020
422302231000
51211012440
6140345440
733022110
oct12625500
95281736
102829120
111662618
12b45280
13780948
14539040
153ad3d0
hex2b2b40

2829120 has 112 divisors (see below), whose sum is σ = 10290048. Its totient is φ = 645120.

The previous prime is 2829107. The next prime is 2829121. The reversal of 2829120 is 219282.

It is a tau number, because it is divible by the number of its divisors (112).

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 (2829121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6510 + ... + 6930.

22829120 is an apocalyptic number.

2829120 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 2829120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5145024).

2829120 is an abundant number, since it is smaller than the sum of its proper divisors (7460928).

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

2829120 is a wasteful number, since it uses less digits than its factorization.

2829120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2829120 is about 1681.9988109389. The cubic root of 2829120 is about 141.4329032154.

The spelling of 2829120 in words is "two million, eight hundred twenty-nine thousand, one hundred twenty".

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 96 105 112 120 140 160 168 192 210 224 240 280 320 336 420 421 448 480 560 672 840 842 960 1120 1263 1344 1680 1684 2105 2240 2526 2947 3360 3368 4210 5052 5894 6315 6720 6736 8420 8841 10104 11788 12630 13472 14735 16840 17682 20208 23576 25260 26944 29470 33680 35364 40416 44205 47152 50520 58940 67360 70728 80832 88410 94304 101040 117880 134720 141456 176820 188608 202080 235760 282912 353640 404160 471520 565824 707280 943040 1414560 2829120