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2044430730 = 232579421683
BaseRepresentation
bin111100111011011…
…1000100110001010
312021110221211201200
41321312320212022
513141333240410
6534511125030
7101443242306
oct17166704612
95243854650
102044430730
1195a034081
12490813776
13267732834
14155742d06
15be73c3c0
hex79db898a

2044430730 has 96 divisors (see below), whose sum is σ = 5403490560. Its totient is φ = 536215680.

The previous prime is 2044430711. The next prime is 2044430767. The reversal of 2044430730 is 370344402.

It is a junction number, because it is equal to n+sod(n) for n = 2044430694 and 2044430703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2992969 + ... + 2993651.

It is an arithmetic number, because the mean of its divisors is an integer number (56286360).

Almost surely, 22044430730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2044430730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2701745280).

2044430730 is an abundant number, since it is smaller than the sum of its proper divisors (3359059830).

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

2044430730 is a wasteful number, since it uses less digits than its factorization.

2044430730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 2044430730 is about 45215.3815642421. The cubic root of 2044430730 is about 1269.1826700060.

The spelling of 2044430730 in words is "two billion, forty-four million, four hundred thirty thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 79 90 158 237 395 421 474 683 711 790 842 1185 1263 1366 1422 2049 2105 2370 2526 3415 3555 3789 4098 4210 6147 6315 6830 7110 7578 10245 12294 12630 18945 20490 30735 33259 37890 53957 61470 66518 99777 107914 161871 166295 199554 269785 287543 299331 323742 332590 485613 498885 539570 575086 598662 809355 862629 971226 997770 1437715 1496655 1618710 1725258 2428065 2587887 2875430 2993310 4313145 4856130 5175774 8626290 12939435 22715897 25878870 45431794 68147691 113579485 136295382 204443073 227158970 340738455 408886146 681476910 1022215365 2044430730