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3028737420 = 223551933229
BaseRepresentation
bin1011010010000110…
…1101110110001100
321211002002210200000
42310201231312030
522200324044140
61220312204300
7135024562152
oct26441556614
97732083600
103028737420
111314709285
12706399690
13393636927
1420a3673d2
1512ad6da30
hexb486dd8c

3028737420 has 144 divisors (see below), whose sum is σ = 9579766560. Its totient is φ = 803229696.

The previous prime is 3028737401. The next prime is 3028737421. The reversal of 3028737420 is 247378203.

3028737420 is a `hidden beast` number, since 3 + 0 + 287 + 374 + 2 + 0 = 666.

3028737420 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (3028737421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 936366 + ... + 939594.

Almost surely, 23028737420 is an apocalyptic number.

3028737420 is a gapful number since it is divisible by the number (30) 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 3028737420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4789883280).

3028737420 is an abundant number, since it is smaller than the sum of its proper divisors (6551029140).

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

3028737420 is a wasteful number, since it uses less digits than its factorization.

3028737420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446 (or 3432 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 3028737420 is about 55033.9660573359. The cubic root of 3028737420 is about 1446.8401137245.

The spelling of 3028737420 in words is "three billion, twenty-eight million, seven hundred thirty-seven thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 193 243 270 324 386 405 486 540 579 772 810 965 972 1158 1215 1620 1737 1930 2316 2430 2895 3229 3474 3860 4860 5211 5790 6458 6948 8685 9687 10422 11580 12916 15633 16145 17370 19374 20844 26055 29061 31266 32290 34740 38748 46899 48435 52110 58122 62532 64580 78165 87183 93798 96870 104220 116244 145305 156330 174366 187596 193740 234495 261549 290610 312660 348732 435915 468990 523098 581220 623197 784647 871830 937980 1046196 1246394 1307745 1569294 1743660 1869591 2492788 2615490 3115985 3138588 3739182 3923235 5230980 5608773 6231970 7478364 7846470 9347955 11217546 12463940 15692940 16826319 18695910 22435092 28043865 33652638 37391820 50478957 56087730 67305276 84131595 100957914 112175460 151436871 168263190 201915828 252394785 302873742 336526380 504789570 605747484 757184355 1009579140 1514368710 3028737420