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505246307 = 1729720371
BaseRepresentation
bin11110000111010…
…111001001100011
31022012201011122012
4132013113021203
52013320340212
6122045103135
715343344206
oct3607271143
91265634565
10505246307
1123a220035
12121257aab
13808a1017
144b15d93d
152e552922
hex1e1d7263

505246307 has 4 divisors (see below), whose sum is σ = 534966696. Its totient is φ = 475525920.

The previous prime is 505246249. The next prime is 505246337. The reversal of 505246307 is 703642505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 505246307 - 28 = 505246051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505246337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14860169 + ... + 14860202.

It is an arithmetic number, because the mean of its divisors is an integer number (133741674).

Almost surely, 2505246307 is an apocalyptic number.

505246307 is a deficient number, since it is larger than the sum of its proper divisors (29720389).

505246307 is a wasteful number, since it uses less digits than its factorization.

505246307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29720388.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 505246307 is about 22477.6846449985. The cubic root of 505246307 is about 796.4668707808.

The spelling of 505246307 in words is "five hundred five million, two hundred forty-six thousand, three hundred seven".

Divisors: 1 17 29720371 505246307