Search a number
-
+
4247384 = 232412203
BaseRepresentation
bin10000001100111101011000
321222210022112
4100030331120
52041404014
6231011452
751050021
oct20147530
97883275
104247384
112441139
121509b88
13b5935b
147c7c48
1558d73e
hex40cf58

4247384 has 16 divisors (see below), whose sum is σ = 8000520. Its totient is φ = 2113920.

The previous prime is 4247381. The next prime is 4247389. The reversal of 4247384 is 4837424.

It is a d-powerful number, because it can be written as 4 + 215 + 43 + 72 + 39 + 83 + 411 .

It is a self number, because there is not a number n which added to its sum of digits gives 4247384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827 + ... + 3029.

Almost surely, 24247384 is an apocalyptic number.

It is an amenable number.

4247384 is a deficient number, since it is larger than the sum of its proper divisors (3753136).

4247384 is a wasteful number, since it uses less digits than its factorization.

4247384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450 (or 2446 counting only the distinct ones).

The product of its digits is 21504, while the sum is 32.

The square root of 4247384 is about 2060.9182419494. The cubic root of 4247384 is about 161.9473486368.

The spelling of 4247384 in words is "four million, two hundred forty-seven thousand, three hundred eighty-four".

Divisors: 1 2 4 8 241 482 964 1928 2203 4406 8812 17624 530923 1061846 2123692 4247384