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52221135 = 354380963
BaseRepresentation
bin1100011100110…
…1010011001111
310122021002221010
43013031103033
5101332034020
65103140303
71202605131
oct307152317
9118232833
1052221135
112752856a
12155a4693
13aa853a5
146d15051
1548b7de0
hex31cd4cf

52221135 has 16 divisors (see below), whose sum is σ = 85497984. Its totient is φ = 27203232.

The previous prime is 52221079. The next prime is 52221149. The reversal of 52221135 is 53112225.

It is not a de Polignac number, because 52221135 - 213 = 52212943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39837 + ... + 41126.

It is an arithmetic number, because the mean of its divisors is an integer number (5343624).

Almost surely, 252221135 is an apocalyptic number.

52221135 is a deficient number, since it is larger than the sum of its proper divisors (33276849).

52221135 is a wasteful number, since it uses less digits than its factorization.

52221135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81014.

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

The square root of 52221135 is about 7226.4192377691. The cubic root of 52221135 is about 373.7794628586.

The spelling of 52221135 in words is "fifty-two million, two hundred twenty-one thousand, one hundred thirty-five".

Divisors: 1 3 5 15 43 129 215 645 80963 242889 404815 1214445 3481409 10444227 17407045 52221135