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505463243 = 2917997373
BaseRepresentation
bin11110001000001…
…100000111001011
31022020010012012212
4132020030013023
52013344310433
6122053455335
715345236525
oct3610140713
91266105185
10505463243
1123a35901a
1212134154b
138094899c
144b1b8a15
152e596d48
hex1e20c1cb

505463243 has 8 divisors (see below), whose sum is σ = 525819600. Its totient is φ = 485302048.

The previous prime is 505463197. The next prime is 505463291. The reversal of 505463243 is 342364505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-505463243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505463143) 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 7 ways as a sum of consecutive naturals, for example, 43496 + ... + 53877.

It is an arithmetic number, because the mean of its divisors is an integer number (65727450).

Almost surely, 2505463243 is an apocalyptic number.

505463243 is a deficient number, since it is larger than the sum of its proper divisors (20356357).

505463243 is a wasteful number, since it uses less digits than its factorization.

505463243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97581.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 505463243 is about 22482.5097131081. The cubic root of 505463243 is about 796.5808466189.

The spelling of 505463243 in words is "five hundred five million, four hundred sixty-three thousand, two hundred forty-three".

Divisors: 1 29 179 5191 97373 2823817 17429767 505463243