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1224144434 = 21314672307
BaseRepresentation
bin100100011110110…
…1111011000110010
310011022102222110202
41020331233120302
510001340110214
6321245355202
742223025132
oct11075573062
93138388422
101224144434
11578aa7917
122a1b68b02
131667c9126
14b8816ac2
15727096de
hex48f6f632

1224144434 has 8 divisors (see below), whose sum is σ = 1850233968. Its totient is φ = 607399780.

The previous prime is 1224144431. The next prime is 1224144443. The reversal of 1224144434 is 4344414221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1224144397 and 1224144406.

It is not an unprimeable number, because it can be changed into a prime (1224144431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2335892 + ... + 2336415.

It is an arithmetic number, because the mean of its divisors is an integer number (231279246).

Almost surely, 21224144434 is an apocalyptic number.

1224144434 is a deficient number, since it is larger than the sum of its proper divisors (626089534).

1224144434 is a wasteful number, since it uses less digits than its factorization.

1224144434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672440.

The product of its digits is 12288, while the sum is 29.

The square root of 1224144434 is about 34987.7754937350. The cubic root of 1224144434 is about 1069.7383218947.

Adding to 1224144434 its reverse (4344414221), we get a palindrome (5568558655).

The spelling of 1224144434 in words is "one billion, two hundred twenty-four million, one hundred forty-four thousand, four hundred thirty-four".

Divisors: 1 2 131 262 4672307 9344614 612072217 1224144434