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1244226141 = 32178991373
BaseRepresentation
bin100101000101001…
…0110001001011101
310012201020020101200
41022022112021131
510022010214031
6323244030113
742555514314
oct11212261135
93181206350
101244226141
11589373574
122a8832339
1316aa0a7b2
14bb36327b
15743748e6
hex4a29625d

1244226141 has 24 divisors (see below), whose sum is σ = 1924336440. Its totient is φ = 771910656.

The previous prime is 1244226133. The next prime is 1244226167. The reversal of 1244226141 is 1416224421.

1244226141 is a `hidden beast` number, since 1 + 2 + 4 + 42 + 2 + 614 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 546156900 + 698069241 = 23370^2 + 26421^2 .

It is not a de Polignac number, because 1244226141 - 23 = 1244226133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244226241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32070 + ... + 59303.

It is an arithmetic number, because the mean of its divisors is an integer number (80180685).

Almost surely, 21244226141 is an apocalyptic number.

It is an amenable number.

1244226141 is a deficient number, since it is larger than the sum of its proper divisors (680110299).

1244226141 is a wasteful number, since it uses less digits than its factorization.

1244226141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91485 (or 91482 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 1244226141 is about 35273.5898513321. The cubic root of 1244226141 is about 1075.5561977732.

It can be divided in two parts, 12442 and 26141, that added together give a palindrome (38583).

The spelling of 1244226141 in words is "one billion, two hundred forty-four million, two hundred twenty-six thousand, one hundred forty-one".

Divisors: 1 3 9 17 51 89 153 267 801 1513 4539 13617 91373 274119 822357 1553341 4660023 8132197 13980069 24396591 73189773 138247349 414742047 1244226141