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1242224411 = 2354009757
BaseRepresentation
bin100101000001010…
…1101011100011011
310012120110112112112
41022002231130123
510021002140121
6323133102535
742532506341
oct11202553433
93176415475
101242224411
1158822664a
122a8027a4b
1316a48963c
14bada1991
15740cb75b
hex4a0ad71b

1242224411 has 4 divisors (see below), whose sum is σ = 1296234192. Its totient is φ = 1188214632.

The previous prime is 1242224407. The next prime is 1242224443. The reversal of 1242224411 is 1144222421.

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

It is a cyclic number.

It is not a de Polignac number, because 1242224411 - 22 = 1242224407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 54009757 = 1242224411 / (1 + 2 + 4 + 2 + 2 + 2 + 4 + 4 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242224461) 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, 27004856 + ... + 27004901.

It is an arithmetic number, because the mean of its divisors is an integer number (324058548).

Almost surely, 21242224411 is an apocalyptic number.

1242224411 is a deficient number, since it is larger than the sum of its proper divisors (54009781).

1242224411 is an equidigital number, since it uses as much as digits as its factorization.

1242224411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54009780.

The product of its digits is 1024, while the sum is 23.

The square root of 1242224411 is about 35245.2040850950. The cubic root of 1242224411 is about 1074.9790977728.

Adding to 1242224411 its reverse (1144222421), we get a palindrome (2386446832).

The spelling of 1242224411 in words is "one billion, two hundred forty-two million, two hundred twenty-four thousand, four hundred eleven".

Divisors: 1 23 54009757 1242224411