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4888389 = 311413613
BaseRepresentation
bin10010101001011101000101
3100012100121110
4102221131011
52222412024
6252435233
756356602
oct22513505
910170543
104888389
1128397a0
121778b19
13102204c
149136a9
15668629
hex4a9745

4888389 has 16 divisors (see below), whose sum is σ = 7285824. Its totient is φ = 2889600.

The previous prime is 4888379. The next prime is 4888391. The reversal of 4888389 is 9838884.

It is a happy number.

It is not a de Polignac number, because 4888389 - 220 = 3839813 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4888309) 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 15 ways as a sum of consecutive naturals, for example, 454 + ... + 3159.

It is an arithmetic number, because the mean of its divisors is an integer number (455364).

Almost surely, 24888389 is an apocalyptic number.

It is an amenable number.

4888389 is a deficient number, since it is larger than the sum of its proper divisors (2397435).

4888389 is a wasteful number, since it uses less digits than its factorization.

4888389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668.

The product of its digits is 442368, while the sum is 48.

The square root of 4888389 is about 2210.9701490522. The cubic root of 4888389 is about 169.7156607855.

The spelling of 4888389 in words is "four million, eight hundred eighty-eight thousand, three hundred eighty-nine".

Divisors: 1 3 11 33 41 123 451 1353 3613 10839 39743 119229 148133 444399 1629463 4888389