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505424215 = 5671508729
BaseRepresentation
bin11110001000000…
…010100101010111
31022020001012200101
4132020002211113
52013342033330
6122052554531
715345014662
oct3610024527
91266035611
10505424215
1123a33176a
12121322a47
1380933caa
144b1a86d9
152e58a4ca
hex1e202957

505424215 has 8 divisors (see below), whose sum is σ = 615561840. Its totient is φ = 398304192.

The previous prime is 505424191. The next prime is 505424233. The reversal of 505424215 is 512424505.

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

It is a cyclic number.

It is not a de Polignac number, because 505424215 - 211 = 505422167 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 754030 + ... + 754699.

It is an arithmetic number, because the mean of its divisors is an integer number (76945230).

Almost surely, 2505424215 is an apocalyptic number.

505424215 is a deficient number, since it is larger than the sum of its proper divisors (110137625).

505424215 is a wasteful number, since it uses less digits than its factorization.

505424215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508801.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 505424215 is about 22481.6417327561. The cubic root of 505424215 is about 796.5603441341.

The spelling of 505424215 in words is "five hundred five million, four hundred twenty-four thousand, two hundred fifteen".

Divisors: 1 5 67 335 1508729 7543645 101084843 505424215