Search a number
-
+
4949439 = 311236521
BaseRepresentation
bin10010111000010110111111
3100022110100120
4102320112333
52231340224
6254030023
760032565
oct22702677
910273316
104949439
112880650
1217a8313
131043a81
1492ba35
1567b779
hex4b85bf

4949439 has 16 divisors (see below), whose sum is σ = 7513344. Its totient is φ = 2868800.

The previous prime is 4949437. The next prime is 4949447. The reversal of 4949439 is 9349494.

It is not a de Polignac number, because 4949439 - 21 = 4949437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4949439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4949437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2502 + ... + 4019.

It is an arithmetic number, because the mean of its divisors is an integer number (469584).

Almost surely, 24949439 is an apocalyptic number.

4949439 is a deficient number, since it is larger than the sum of its proper divisors (2563905).

4949439 is a wasteful number, since it uses less digits than its factorization.

4949439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6558.

The product of its digits is 139968, while the sum is 42.

The square root of 4949439 is about 2224.7334671821. The cubic root of 4949439 is about 170.4192535387.

The spelling of 4949439 in words is "four million, nine hundred forty-nine thousand, four hundred thirty-nine".

Divisors: 1 3 11 23 33 69 253 759 6521 19563 71731 149983 215193 449949 1649813 4949439