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1242424033 is a prime number
BaseRepresentation
bin100101000001101…
…1110001011100001
310012120211200100221
41022003132023201
510021030032113
6323141243041
742534300334
oct11203361341
93176750327
101242424033
11588352624
122a8103481
1316a529466
14bb01461b
157411a98d
hex4a0de2e1

1242424033 has 2 divisors, whose sum is σ = 1242424034. Its totient is φ = 1242424032.

The previous prime is 1242424031. The next prime is 1242424049. The reversal of 1242424033 is 3304242421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 994267024 + 248157009 = 31532^2 + 15753^2 .

It is a cyclic number.

It is not a de Polignac number, because 1242424033 - 21 = 1242424031 is a prime.

Together with 1242424031, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1242423989 and 1242424007.

It is not a weakly prime, because it can be changed into another prime (1242424031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621212016 + 621212017.

It is an arithmetic number, because the mean of its divisors is an integer number (621212017).

Almost surely, 21242424033 is an apocalyptic number.

It is an amenable number.

1242424033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242424033 is an equidigital number, since it uses as much as digits as its factorization.

1242424033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1242424033 is about 35248.0358743576. The cubic root of 1242424033 is about 1075.0366767368.

Adding to 1242424033 its reverse (3304242421), we get a palindrome (4546666454).

The spelling of 1242424033 in words is "one billion, two hundred forty-two million, four hundred twenty-four thousand, thirty-three".