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504242141 = 1357376761
BaseRepresentation
bin11110000011100…
…001111111011101
31022010211011011212
4132003201333131
52013041222031
6122011354205
715331662464
oct3603417735
91263734155
10504242141
112396a4647
12120a52965
138060bc40
144ad7b9db
152e40512b
hex1e0e1fdd

504242141 has 8 divisors (see below), whose sum is σ = 543204984. Its totient is φ = 465304320.

The previous prime is 504242129. The next prime is 504242147. The reversal of 504242141 is 141242405.

It can be written as a sum of positive squares in 4 ways, for example, as 60025 + 504182116 = 245^2 + 22454^2 .

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

It is not a de Polignac number, because 504242141 - 210 = 504241117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504242147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71201 + ... + 77961.

It is an arithmetic number, because the mean of its divisors is an integer number (67900623).

Almost surely, 2504242141 is an apocalyptic number.

It is an amenable number.

504242141 is a deficient number, since it is larger than the sum of its proper divisors (38962843).

504242141 is a wasteful number, since it uses less digits than its factorization.

504242141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12511.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 504242141 is about 22455.3365817571. The cubic root of 504242141 is about 795.9388673244.

Adding to 504242141 its reverse (141242405), we get a palindrome (645484546).

The spelling of 504242141 in words is "five hundred four million, two hundred forty-two thousand, one hundred forty-one".

Divisors: 1 13 5737 6761 74581 87893 38787857 504242141