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1244224141 = 97107313383
BaseRepresentation
bin100101000101001…
…0101101010001101
310012201020010122121
41022022111222031
510022010133031
6323244012541
742555505426
oct11212255215
93181203577
101244224141
11589372016
122a8831151
1316aa09904
14bb36264d
1574374011
hex4a295a8d

1244224141 has 16 divisors (see below), whose sum is σ = 1276176384. Its totient is φ = 1212816384.

The previous prime is 1244224117. The next prime is 1244224147. The reversal of 1244224141 is 1414224421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1244224141 - 25 = 1244224109 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 (1244224147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3248436 + ... + 3248818.

It is an arithmetic number, because the mean of its divisors is an integer number (79761024).

Almost surely, 21244224141 is an apocalyptic number.

It is an amenable number.

1244224141 is a deficient number, since it is larger than the sum of its proper divisors (31952243).

1244224141 is a wasteful number, since it uses less digits than its factorization.

1244224141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900.

The product of its digits is 2048, while the sum is 25.

The square root of 1244224141 is about 35273.5615014985. The cubic root of 1244224141 is about 1075.5556214810. Note that the first 3 decimals are identical.

Adding to 1244224141 its reverse (1414224421), we get a palindrome (2658448562).

The spelling of 1244224141 in words is "one billion, two hundred forty-four million, two hundred twenty-four thousand, one hundred forty-one".

Divisors: 1 97 107 313 383 10379 30361 33491 37151 40981 119879 3248627 3975157 11628263 12827053 1244224141