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3305028280 = 235732933863
BaseRepresentation
bin1100010011111110…
…1011101010111000
322112022222211110211
43010333223222320
523232041401110
61303542120504
7144621163651
oct30477535270
98468884424
103305028280
111446669734
12782a20134
13408952c48
14234d28528
1514524798a
hexc4febab8

3305028280 has 64 divisors (see below), whose sum is σ = 7565866560. Its totient is φ = 1299115008.

The previous prime is 3305028277. The next prime is 3305028281. The reversal of 3305028280 is 828205033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3305028281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853629 + ... + 857491.

It is an arithmetic number, because the mean of its divisors is an integer number (118216665).

Almost surely, 23305028280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3305028280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3782933280).

3305028280 is an abundant number, since it is smaller than the sum of its proper divisors (4260838280).

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

3305028280 is a wasteful number, since it uses less digits than its factorization.

3305028280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240 (or 4236 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 3305028280 is about 57489.3753662362. The cubic root of 3305028280 is about 1489.5613440793.

The spelling of 3305028280 in words is "three billion, three hundred five million, twenty-eight thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 73 146 292 293 365 584 586 730 1172 1460 1465 2344 2920 2930 3863 5860 7726 11720 15452 19315 21389 30904 38630 42778 77260 85556 106945 154520 171112 213890 281999 427780 563998 855560 1127996 1131859 1409995 2255992 2263718 2819990 4527436 5639980 5659295 9054872 11279960 11318590 22637180 45274360 82625707 165251414 330502828 413128535 661005656 826257070 1652514140 3305028280