Search a number
-
+
24828389 is a prime number
BaseRepresentation
bin101111010110…
…1100111100101
31201201102010222
41132231213211
522324002024
62244054125
7421015655
oct136554745
951642128
1024828389
1113018a33
128394345
1351b4071
143424365
1522a685e
hex17ad9e5

24828389 has 2 divisors, whose sum is σ = 24828390. Its totient is φ = 24828388.

The previous prime is 24828367. The next prime is 24828457. The reversal of 24828389 is 98382842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22372900 + 2455489 = 4730^2 + 1567^2 .

It is a cyclic number.

It is not a de Polignac number, because 24828389 - 216 = 24762853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24828359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12414194 + 12414195.

It is an arithmetic number, because the mean of its divisors is an integer number (12414195).

Almost surely, 224828389 is an apocalyptic number.

It is an amenable number.

24828389 is a deficient number, since it is larger than the sum of its proper divisors (1).

24828389 is an equidigital number, since it uses as much as digits as its factorization.

24828389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 44.

The square root of 24828389 is about 4982.8093481489. The cubic root of 24828389 is about 291.7311789090.

The spelling of 24828389 in words is "twenty-four million, eight hundred twenty-eight thousand, three hundred eighty-nine".