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501380747 = 7375473539
BaseRepresentation
bin11101111000100…
…111011010001011
31021221102210002022
4131320213122023
52011323140442
6121430155055
715265444310
oct3570473213
91257383068
10501380747
1123801a85a
1211bab2a8b
137cb496ca
144a834d07
152e03c3d2
hex1de2768b

501380747 has 16 divisors (see below), whose sum is σ = 589735680. Its totient is φ = 417257568.

The previous prime is 501380743. The next prime is 501380773. The reversal of 501380747 is 747083105.

It is not a de Polignac number, because 501380747 - 22 = 501380743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501380741) 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 15 ways as a sum of consecutive naturals, for example, 139904 + ... + 143442.

It is an arithmetic number, because the mean of its divisors is an integer number (36858480).

Almost surely, 2501380747 is an apocalyptic number.

501380747 is a deficient number, since it is larger than the sum of its proper divisors (88354933).

501380747 is a wasteful number, since it uses less digits than its factorization.

501380747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 501380747 is about 22391.5329309987. The cubic root of 501380747 is about 794.4304542451.

The spelling of 501380747 in words is "five hundred one million, three hundred eighty thousand, seven hundred forty-seven".

Divisors: 1 7 37 259 547 3539 3829 20239 24773 130943 141673 916601 1935833 13550831 71625821 501380747