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5220551 = 72925717
BaseRepresentation
bin10011111010100011000111
3100211020020202
4103322203013
52314024201
6303521115
762242160
oct23724307
910736222
105220551
112a46306
1218b919b
13110a2ab
1499c767
156d1c6b
hex4fa8c7

5220551 has 8 divisors (see below), whose sum is σ = 6172320. Its totient is φ = 4320288.

The previous prime is 5220541. The next prime is 5220569. The reversal of 5220551 is 1550225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5220551 - 214 = 5204167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220511) 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 7 ways as a sum of consecutive naturals, for example, 12656 + ... + 13061.

It is an arithmetic number, because the mean of its divisors is an integer number (771540).

Almost surely, 25220551 is an apocalyptic number.

5220551 is a deficient number, since it is larger than the sum of its proper divisors (951769).

5220551 is a wasteful number, since it uses less digits than its factorization.

5220551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25753.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 5220551 is about 2284.8525116515. The cubic root of 5220551 is about 173.4757528535.

Adding to 5220551 its reverse (1550225), we get a palindrome (6770776).

The spelling of 5220551 in words is "five million, two hundred twenty thousand, five hundred fifty-one".

Divisors: 1 7 29 203 25717 180019 745793 5220551