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605105053 = 786443579
BaseRepresentation
bin100100000100010…
…010101110011101
31120011121112002021
4210010102232131
52214401330203
6140013300141
720665210450
oct4404225635
91504545067
10605105053
11290625423
1214a794651
1398495437
145a515497
15381ca5bd
hex24112b9d

605105053 has 4 divisors (see below), whose sum is σ = 691548640. Its totient is φ = 518661468.

The previous prime is 605105051. The next prime is 605105057. The reversal of 605105053 is 350501506.

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.

It is a cyclic number.

It is not a de Polignac number, because 605105053 - 21 = 605105051 is a prime.

It is a super-2 number, since 2×6051050532 = 732304250332265618, which contains 22 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 (605105051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43221783 + ... + 43221796.

It is an arithmetic number, because the mean of its divisors is an integer number (172887160).

Almost surely, 2605105053 is an apocalyptic number.

It is an amenable number.

605105053 is a deficient number, since it is larger than the sum of its proper divisors (86443587).

605105053 is an equidigital number, since it uses as much as digits as its factorization.

605105053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86443586.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 605105053 is about 24598.8831657049. The cubic root of 605105053 is about 845.8180064641.

Adding to 605105053 its reverse (350501506), we get a palindrome (955606559).

The spelling of 605105053 in words is "six hundred five million, one hundred five thousand, fifty-three".

Divisors: 1 7 86443579 605105053