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505645052 = 221111491933
BaseRepresentation
bin11110001000111…
…000011111111100
31022020110102121112
4132020320133330
52013421120202
6122101421152
715346624553
oct3610703774
91266412545
10505645052
1123a472680
1212140a7b8
13809b0673
144b224d9a
152e5d0b52
hex1e2387fc

505645052 has 12 divisors (see below), whose sum is σ = 965322456. Its totient is φ = 229838640.

The previous prime is 505645027. The next prime is 505645067. The reversal of 505645052 is 250546505.

It is a super-2 number, since 2×5056450522 = 511353837224165408, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5745923 + ... + 5746010.

It is an arithmetic number, because the mean of its divisors is an integer number (80443538).

Almost surely, 2505645052 is an apocalyptic number.

It is an amenable number.

505645052 is a deficient number, since it is larger than the sum of its proper divisors (459677404).

505645052 is a wasteful number, since it uses less digits than its factorization.

505645052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11491948 (or 11491946 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 505645052 is about 22486.5526926650. The cubic root of 505645052 is about 796.6763419945.

The spelling of 505645052 in words is "five hundred five million, six hundred forty-five thousand, fifty-two".

Divisors: 1 2 4 11 22 44 11491933 22983866 45967732 126411263 252822526 505645052