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3305945440 = 255726910973
BaseRepresentation
bin1100010100001100…
…1011100101100000
322112101201102120201
43011003023211200
523232310223230
61304013514544
7144632033620
oct30503134540
98471642521
103305945440
111447135816
127831a2a54
13408bb4545
142350c6880
151453795ca
hexc50cb960

3305945440 has 96 divisors (see below), whose sum is σ = 8960051520. Its totient is φ = 1129150464.

The previous prime is 3305945429. The next prime is 3305945441. The reversal of 3305945440 is 445495033.

It is a self number, because there is not a number n which added to its sum of digits gives 3305945440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3305945441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295794 + ... + 306766.

It is an arithmetic number, because the mean of its divisors is an integer number (93333870).

Almost surely, 23305945440 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 3305945440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4480025760).

3305945440 is an abundant number, since it is smaller than the sum of its proper divisors (5654106080).

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

3305945440 is a wasteful number, since it uses less digits than its factorization.

3305945440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11264 (or 11256 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 3305945440 is about 57497.3515911820. The cubic root of 3305945440 is about 1489.6991179614.

The spelling of 3305945440 in words is "three billion, three hundred five million, nine hundred forty-five thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 269 280 538 560 1076 1120 1345 1883 2152 2690 3766 4304 5380 7532 8608 9415 10760 10973 15064 18830 21520 21946 30128 37660 43040 43892 54865 60256 75320 76811 87784 109730 150640 153622 175568 219460 301280 307244 351136 384055 438920 614488 768110 877840 1228976 1536220 1755680 2457952 2951737 3072440 5903474 6144880 11806948 12289760 14758685 20662159 23613896 29517370 41324318 47227792 59034740 82648636 94455584 103310795 118069480 165297272 206621590 236138960 330594544 413243180 472277920 661189088 826486360 1652972720 3305945440