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505002980 = 22534772767
BaseRepresentation
bin11110000110011…
…011101111100100
31022012020210212002
4132012123233210
52013240043410
6122035544432
715341311616
oct3606335744
91265223762
10505002980
1123a074239
1212115b118
1380817341
144b0d8db6
152e5057a5
hex1e19bbe4

505002980 has 24 divisors (see below), whose sum is σ = 1063577088. Its totient is φ = 201416288.

The previous prime is 505002931. The next prime is 505002991. The reversal of 505002980 is 89200505.

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 7 ways as a sum of consecutive naturals, for example, 29444 + ... + 43323.

It is an arithmetic number, because the mean of its divisors is an integer number (44315712).

Almost surely, 2505002980 is an apocalyptic number.

It is an amenable number.

505002980 is an abundant number, since it is smaller than the sum of its proper divisors (558574108).

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

505002980 is a wasteful number, since it uses less digits than its factorization.

505002980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73123 (or 73121 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 505002980 is about 22472.2713582762. The cubic root of 505002980 is about 796.3389905689.

The spelling of 505002980 in words is "five hundred five million, two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 347 694 1388 1735 3470 6940 72767 145534 291068 363835 727670 1455340 25250149 50500298 101000596 126250745 252501490 505002980