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505063031 = 11127935899
BaseRepresentation
bin11110000110101…
…010011001110111
31022012100212020012
4132012222121313
52013244004111
6122041130435
715341651654
oct3606523167
91265325205
10505063031
1123a105370
12121189a1b
1380838785
144b112c2b
152e51848b
hex1e1aa677

505063031 has 8 divisors (see below), whose sum is σ = 551424000. Its totient is φ = 458776440.

The previous prime is 505063021. The next prime is 505063063. The reversal of 505063031 is 130360505.

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-505063031 is a prime.

It is a super-2 number, since 2×5050630312 = 510177330565813922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505062988 and 505063006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505063001) by changing a digit.

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, 3881 + ... + 32018.

It is an arithmetic number, because the mean of its divisors is an integer number (68928000).

Almost surely, 2505063031 is an apocalyptic number.

505063031 is a deficient number, since it is larger than the sum of its proper divisors (46360969).

505063031 is a wasteful number, since it uses less digits than its factorization.

505063031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37189.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 505063031 is about 22473.6074318299. The cubic root of 505063031 is about 796.3705541169.

The spelling of 505063031 in words is "five hundred five million, sixty-three thousand, thirty-one".

Divisors: 1 11 1279 14069 35899 394889 45914821 505063031