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605120253 = 31747252449
BaseRepresentation
bin100100000100010…
…110011011111101
31120011122021221020
4210010112123331
52214402322003
6140013454353
720665302663
oct4404263375
91504567836
10605120253
11290635891
1214a7a13b9
139849c32a
145a51ac33
15381ced53
hex241166fd

605120253 has 16 divisors (see below), whose sum is σ = 872467200. Its totient is φ = 371603456.

The previous prime is 605120207. The next prime is 605120297. The reversal of 605120253 is 352021506.

605120253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 605120253 - 28 = 605119997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605120653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123828 + ... + 128621.

It is an arithmetic number, because the mean of its divisors is an integer number (54529200).

Almost surely, 2605120253 is an apocalyptic number.

It is an amenable number.

605120253 is a deficient number, since it is larger than the sum of its proper divisors (267346947).

605120253 is a wasteful number, since it uses less digits than its factorization.

605120253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252516.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 605120253 is about 24599.1921208807. The cubic root of 605120253 is about 845.8250886095.

Adding to 605120253 its reverse (352021506), we get a palindrome (957141759).

The spelling of 605120253 in words is "six hundred five million, one hundred twenty thousand, two hundred fifty-three".

Divisors: 1 3 17 47 51 141 799 2397 252449 757347 4291633 11865103 12874899 35595309 201706751 605120253