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563053421 = 780436203
BaseRepresentation
bin100001100011111…
…000001101101101
31110020111002002102
4201203320031231
52123120202141
6131512104445
716644606110
oct4143701555
91406432072
10563053421
11269913407
12138695125
138c860b08
1454aca577
153467099b
hex218f836d

563053421 has 4 divisors (see below), whose sum is σ = 643489632. Its totient is φ = 482617212.

The previous prime is 563053417. The next prime is 563053441. The reversal of 563053421 is 124350365.

563053421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124350365 = 524870073.

It is not a de Polignac number, because 563053421 - 22 = 563053417 is a prime.

It is a super-5 number, since 5×5630534215 (a number of 45 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563053441) 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, 40218095 + ... + 40218108.

It is an arithmetic number, because the mean of its divisors is an integer number (160872408).

Almost surely, 2563053421 is an apocalyptic number.

It is an amenable number.

563053421 is a deficient number, since it is larger than the sum of its proper divisors (80436211).

563053421 is an equidigital number, since it uses as much as digits as its factorization.

563053421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80436210.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 563053421 is about 23728.7467220669. The cubic root of 563053421 is about 825.7524428785.

The spelling of 563053421 in words is "five hundred sixty-three million, fifty-three thousand, four hundred twenty-one".

Divisors: 1 7 80436203 563053421