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2303393880 = 2335231018263
BaseRepresentation
bin1000100101001011…
…0000000001011000
312221112020112101110
42021102300001120
514204132101010
61020321420320
7111036345024
oct21122600130
95845215343
102303393880
11a82229a07
1254349a6a0
132a9292b78
1417bcb3384
15d7342120
hex894b0058

2303393880 has 128 divisors (see below), whose sum is σ = 7282897920. Its totient is φ = 581644800.

The previous prime is 2303393879. The next prime is 2303393887. The reversal of 2303393880 is 883933032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303393887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274629 + ... + 282891.

It is an arithmetic number, because the mean of its divisors is an integer number (56897640).

Almost surely, 22303393880 is an apocalyptic number.

2303393880 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 2303393880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3641448960).

2303393880 is an abundant number, since it is smaller than the sum of its proper divisors (4979504040).

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

2303393880 is a wasteful number, since it uses less digits than its factorization.

2303393880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8401 (or 8397 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 2303393880 is about 47993.6858347012. The cubic root of 2303393880 is about 1320.6550697158.

The spelling of 2303393880 in words is "two billion, three hundred three million, three hundred ninety-three thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 23 24 30 40 46 60 69 92 101 115 120 138 184 202 230 276 303 345 404 460 505 552 606 690 808 920 1010 1212 1380 1515 2020 2323 2424 2760 3030 4040 4646 6060 6969 8263 9292 11615 12120 13938 16526 18584 23230 24789 27876 33052 34845 41315 46460 49578 55752 66104 69690 82630 92920 99156 123945 139380 165260 190049 198312 247890 278760 330520 380098 495780 570147 760196 834563 950245 991560 1140294 1520392 1669126 1900490 2280588 2503689 2850735 3338252 3800980 4172815 4561176 5007378 5701470 6676504 7601960 8345630 10014756 11402940 12518445 16691260 19194949 20029512 22805880 25036890 33382520 38389898 50073780 57584847 76779796 95974745 100147560 115169694 153559592 191949490 230339388 287924235 383898980 460678776 575848470 767797960 1151696940 2303393880