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5220030421 = 172291036047
BaseRepresentation
bin1001101110010001…
…10101011111010101
3111110210102000120001
410313020311133111
541142311433141
62221551211301
7243233345404
oct46710653725
914423360501
105220030421
112239631131
121018216b31
1365260a0c8
143773b963b
1520841aa31
hex1372357d5

5220030421 has 24 divisors (see below), whose sum is σ = 5793016320. Its totient is φ = 4696726272.

The previous prime is 5220030401. The next prime is 5220030443. The reversal of 5220030421 is 1240300225.

It is not a de Polignac number, because 5220030421 - 213 = 5220022229 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 (5220030401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 860220 + ... + 866266.

It is an arithmetic number, because the mean of its divisors is an integer number (241375680).

Almost surely, 25220030421 is an apocalyptic number.

It is an amenable number.

5220030421 is a deficient number, since it is larger than the sum of its proper divisors (572985899).

5220030421 is a wasteful number, since it uses less digits than its factorization.

5220030421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213 (or 6196 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 5220030421 is about 72249.7779996589. Note that the first 3 decimals coincide. The cubic root of 5220030421 is about 1734.6998648667.

Adding to 5220030421 its reverse (1240300225), we get a palindrome (6460330646).

It can be divided in two parts, 52200 and 30421, that added together give a triangular number (82621 = T406).

The spelling of 5220030421 in words is "five billion, two hundred twenty million, thirty thousand, four hundred twenty-one".

Divisors: 1 17 29 103 289 493 1751 2987 6047 8381 29767 50779 102799 175363 622841 863243 1747583 2981171 10588297 18062389 50679907 180001049 307060613 5220030421