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1242244073 = 7199340181
BaseRepresentation
bin100101000001011…
…0010001111101001
310012120111112111202
41022002302033221
510021003302243
6323133333545
742532620560
oct11202621751
93176445452
101242244073
1158823a3a4
122a80372b5
1316a495585
14bada8bd7
15740d24b8
hex4a0b23e9

1242244073 has 8 divisors (see below), whose sum is σ = 1494429120. Its totient is φ = 1008739440.

The previous prime is 1242244063. The next prime is 1242244127. The reversal of 1242244073 is 3704422421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1242244073 - 24 = 1242244057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1242244013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4669958 + ... + 4670223.

It is an arithmetic number, because the mean of its divisors is an integer number (186803640).

Almost surely, 21242244073 is an apocalyptic number.

It is an amenable number.

1242244073 is a deficient number, since it is larger than the sum of its proper divisors (252185047).

1242244073 is an equidigital number, since it uses as much as digits as its factorization.

1242244073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9340207.

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

The square root of 1242244073 is about 35245.4830155582. The cubic root of 1242244073 is about 1074.9847693533.

Adding to 1242244073 its reverse (3704422421), we get a palindrome (4946666494).

The spelling of 1242244073 in words is "one billion, two hundred forty-two million, two hundred forty-four thousand, seventy-three".

Divisors: 1 7 19 133 9340181 65381267 177463439 1242244073