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5220450253 = 178310493527
BaseRepresentation
bin1001101110010100…
…11011111111001101
3111110211012100110101
410313022123333031
541142413402003
62222004211101
7243240044404
oct46712337715
914424170411
105220450253
1122398985a7
121018399a91
13652726225
1437748863b
152084a011d
hex13729bfcd

5220450253 has 16 divisors (see below), whose sum is σ = 5601052800. Its totient is φ = 4848165376.

The previous prime is 5220450247. The next prime is 5220450269. The reversal of 5220450253 is 3520540225.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5220450253 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 (5220450853) 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, 1478376 + ... + 1481902.

It is an arithmetic number, because the mean of its divisors is an integer number (350065800).

Almost surely, 25220450253 is an apocalyptic number.

It is an amenable number.

5220450253 is a deficient number, since it is larger than the sum of its proper divisors (380602547).

5220450253 is a wasteful number, since it uses less digits than its factorization.

5220450253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4676.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 5220450253 is about 72252.6833619347. The cubic root of 5220450253 is about 1734.7463692566.

Adding to 5220450253 its reverse (3520540225), we get a palindrome (8740990478).

The spelling of 5220450253 in words is "five billion, two hundred twenty million, four hundred fifty thousand, two hundred fifty-three".

Divisors: 1 17 83 1049 1411 3527 17833 59959 87067 292741 1480139 3699823 4976597 62896991 307085309 5220450253