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504050521 = 1389435653
BaseRepresentation
bin11110000010110…
…011001101011001
31022010110102022211
4132002303031121
52013014104041
6122003315121
715330234022
oct3602631531
91263412284
10504050521
11239583687
1212097baa1
1380572960
144ad2bc49
152e3b8481
hex1e0b3359

504050521 has 8 divisors (see below), whose sum is σ = 548924040. Its totient is φ = 460048512.

The previous prime is 504050501. The next prime is 504050539. The reversal of 504050521 is 125050405.

It can be written as a sum of positive squares in 4 ways, for example, as 3857296 + 500193225 = 1964^2 + 22365^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 504050521 - 25 = 504050489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 504050492 and 504050501.

It is not an unprimeable number, because it can be changed into a prime (504050501) 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, 216670 + ... + 218983.

It is an arithmetic number, because the mean of its divisors is an integer number (68615505).

Almost surely, 2504050521 is an apocalyptic number.

It is an amenable number.

504050521 is a deficient number, since it is larger than the sum of its proper divisors (44873519).

504050521 is a wasteful number, since it uses less digits than its factorization.

504050521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435755.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 504050521 is about 22451.0694845479. The cubic root of 504050521 is about 795.8380314249.

The spelling of 504050521 in words is "five hundred four million, fifty thousand, five hundred twenty-one".

Divisors: 1 13 89 1157 435653 5663489 38773117 504050521