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505464650 = 25293710789
BaseRepresentation
bin11110001000001…
…100011101001010
31022020010021010222
4132020030131022
52013344332100
6122053510042
715345243605
oct3610143512
91266107128
10505464650
1123a35a089
12121342322
1380949512
144b1b933c
152e597485
hex1e20c74a

505464650 has 24 divisors (see below), whose sum is σ = 941254860. Its totient is φ = 201951360.

The previous prime is 505464647. The next prime is 505464667. The reversal of 505464650 is 56464505.

It can be written as a sum of positive squares in 6 ways, for example, as 57168721 + 448295929 = 7561^2 + 21173^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 505464650.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 41456 + ... + 52244.

Almost surely, 2505464650 is an apocalyptic number.

505464650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505464650 is a deficient number, since it is larger than the sum of its proper divisors (435790210).

505464650 is a wasteful number, since it uses less digits than its factorization.

505464650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11738 (or 11733 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 505464650 is about 22482.5410040769. The cubic root of 505464650 is about 796.5815857351.

The spelling of 505464650 in words is "five hundred five million, four hundred sixty-four thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 937 1874 4685 9370 10789 21578 23425 46850 53945 107890 269725 539450 10109293 20218586 50546465 101092930 252732325 505464650