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508207205 = 5119240131
BaseRepresentation
bin11110010010101…
…010000001100101
31022102021121020002
4132102222001211
52020100112310
6122232351045
715410455442
oct3622520145
91272247202
10508207205
11240962660
12122245485
138139992c
144b6d09c9
152e939da5
hex1e4aa065

508207205 has 8 divisors (see below), whose sum is σ = 665289504. Its totient is φ = 369605200.

The previous prime is 508207187. The next prime is 508207207. The reversal of 508207205 is 502702805.

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

It is not a de Polignac number, because 508207205 - 212 = 508203109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508207207) 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, 4620011 + ... + 4620120.

It is an arithmetic number, because the mean of its divisors is an integer number (83161188).

Almost surely, 2508207205 is an apocalyptic number.

508207205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

508207205 is a deficient number, since it is larger than the sum of its proper divisors (157082299).

508207205 is a wasteful number, since it uses less digits than its factorization.

508207205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9240147.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 508207205 is about 22543.4514881817. The cubic root of 508207205 is about 798.0196879375.

Adding to 508207205 its product of nonzero digits (5600), we get a palindrome (508212805).

The spelling of 508207205 in words is "five hundred eight million, two hundred seven thousand, two hundred five".

Divisors: 1 5 11 55 9240131 46200655 101641441 508207205