Search a number
-
+
4247127 = 331719487
BaseRepresentation
bin10000001100111001010111
321222202222000
4100030321113
52041402002
6231010343
751046203
oct20147127
97882860
104247127
112440a25
1215099b3
13b591c1
147c7b03
1558d61c
hex40ce57

4247127 has 32 divisors (see below), whose sum is σ = 7027200. Its totient is φ = 2519424.

The previous prime is 4247107. The next prime is 4247129. The reversal of 4247127 is 7217424.

It is a happy number.

It is not a de Polignac number, because 4247127 - 211 = 4245079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 4247127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8478 + ... + 8964.

It is an arithmetic number, because the mean of its divisors is an integer number (219600).

Almost surely, 24247127 is an apocalyptic number.

4247127 is a deficient number, since it is larger than the sum of its proper divisors (2780073).

4247127 is a wasteful number, since it uses less digits than its factorization.

4247127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 526 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 4247127 is about 2060.8558901583. The cubic root of 4247127 is about 161.9440822099.

The spelling of 4247127 in words is "four million, two hundred forty-seven thousand, one hundred twenty-seven".

Divisors: 1 3 9 17 19 27 51 57 153 171 323 459 487 513 969 1461 2907 4383 8279 8721 9253 13149 24837 27759 74511 83277 157301 223533 249831 471903 1415709 4247127