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504112987 = 772016141
BaseRepresentation
bin11110000011000…
…010011101011011
31022010120121000101
4132003002131123
52013023103422
6122004520231
715330614110
oct3603023533
91263517011
10504112987
11239616604
121209b0077
1380595211
144ad46907
152e3cbc27
hex1e0c275b

504112987 has 4 divisors (see below), whose sum is σ = 576129136. Its totient is φ = 432096840.

The previous prime is 504112963. The next prime is 504113017. The reversal of 504112987 is 789211405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789211405 = 5157842281.

It is not a de Polignac number, because 504112987 - 227 = 369895259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504112907) 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, 36008064 + ... + 36008077.

It is an arithmetic number, because the mean of its divisors is an integer number (144032284).

Almost surely, 2504112987 is an apocalyptic number.

504112987 is a deficient number, since it is larger than the sum of its proper divisors (72016149).

504112987 is an equidigital number, since it uses as much as digits as its factorization.

504112987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72016148.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 504112987 is about 22452.4606001213. The cubic root of 504112987 is about 795.8709056196.

The spelling of 504112987 in words is "five hundred four million, one hundred twelve thousand, nine hundred eighty-seven".

Divisors: 1 7 72016141 504112987