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52253211 = 3191575839
BaseRepresentation
bin1100011101010…
…1001000011011
310122022201221010
43013111020123
5101334100321
65103545003
71203100503
oct307251033
9118281833
1052253211
112754a67a
12155bb163
13aa96b7a
146d22a03
1548c2676
hex31d521b

52253211 has 16 divisors (see below), whose sum is σ = 73817600. Its totient is φ = 32786208.

The previous prime is 52253209. The next prime is 52253219. The reversal of 52253211 is 11235225.

52253211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52253211 - 21 = 52253209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52253219) 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 15 ways as a sum of consecutive naturals, for example, 6030 + ... + 11868.

It is an arithmetic number, because the mean of its divisors is an integer number (4613600).

Almost surely, 252253211 is an apocalyptic number.

52253211 is a deficient number, since it is larger than the sum of its proper divisors (21564389).

52253211 is a wasteful number, since it uses less digits than its factorization.

52253211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6018.

The product of its digits is 600, while the sum is 21.

The square root of 52253211 is about 7228.6382535025. The cubic root of 52253211 is about 373.8559765545.

Adding to 52253211 its reverse (11235225), we get a palindrome (63488436).

The spelling of 52253211 in words is "fifty-two million, two hundred fifty-three thousand, two hundred eleven".

Divisors: 1 3 19 57 157 471 2983 5839 8949 17517 110941 332823 916723 2750169 17417737 52253211