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1242424037 = 1976306721
BaseRepresentation
bin100101000001101…
…1110001011100101
310012120211200101002
41022003132023211
510021030032122
6323141243045
742534300341
oct11203361345
93176750332
101242424037
11588352628
122a8103485
1316a52946a
14bb014621
157411a992
hex4a0de2e5

1242424037 has 4 divisors (see below), whose sum is σ = 1248730956. Its totient is φ = 1236117120.

The previous prime is 1242424033. The next prime is 1242424049. The reversal of 1242424037 is 7304242421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1232992996 + 9431041 = 35114^2 + 3071^2 .

It is a cyclic number.

It is not a de Polignac number, because 1242424037 - 22 = 1242424033 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242424031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3153164 + ... + 3153557.

It is an arithmetic number, because the mean of its divisors is an integer number (312182739).

Almost surely, 21242424037 is an apocalyptic number.

It is an amenable number.

1242424037 is a deficient number, since it is larger than the sum of its proper divisors (6306919).

1242424037 is an equidigital number, since it uses as much as digits as its factorization.

1242424037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6306918.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 1242424037 is about 35248.0359310983. The cubic root of 1242424037 is about 1075.0366778905.

Adding to 1242424037 its reverse (7304242421), we get a palindrome (8546666458).

The spelling of 1242424037 in words is "one billion, two hundred forty-two million, four hundred twenty-four thousand, thirty-seven".

Divisors: 1 197 6306721 1242424037