Search a number
-
+
1242424049 is a prime number
BaseRepresentation
bin100101000001101…
…1110001011110001
310012120211200101112
41022003132023301
510021030032144
6323141243105
742534300356
oct11203361361
93176750345
101242424049
11588352639
122a8103495
1316a529479
14bb01462d
157411a99e
hex4a0de2f1

1242424049 has 2 divisors, whose sum is σ = 1242424050. Its totient is φ = 1242424048.

The previous prime is 1242424033. The next prime is 1242424103. The reversal of 1242424049 is 9404242421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1085373025 + 157051024 = 32945^2 + 12532^2 .

It is a cyclic number.

It is not a de Polignac number, because 1242424049 - 24 = 1242424033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1242424009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621212024 + 621212025.

It is an arithmetic number, because the mean of its divisors is an integer number (621212025).

Almost surely, 21242424049 is an apocalyptic number.

It is an amenable number.

1242424049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242424049 is an equidigital number, since it uses as much as digits as its factorization.

1242424049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 1242424049 is about 35248.0361013206. The cubic root of 1242424049 is about 1075.0366813515.

The spelling of 1242424049 in words is "one billion, two hundred forty-two million, four hundred twenty-four thousand, forty-nine".