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1244054253 = 313269118583
BaseRepresentation
bin100101000100110…
…1100001011101101
310012200220111121110
41022021230023231
510021434214003
6323240222233
742554200221
oct11211541355
93180814543
101244054253
11589266412
122a876a979
1316a97a4a0
14bb31a781
157433da03
hex4a26c2ed

1244054253 has 16 divisors (see below), whose sum is σ = 1792990080. Its totient is φ = 762719424.

The previous prime is 1244054239. The next prime is 1244054257. The reversal of 1244054253 is 3524504421.

It is not a de Polignac number, because 1244054253 - 25 = 1244054221 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1244054253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244054257) 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, 48801 + ... + 69782.

It is an arithmetic number, because the mean of its divisors is an integer number (112061880).

Almost surely, 21244054253 is an apocalyptic number.

1244054253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1244054253 is a deficient number, since it is larger than the sum of its proper divisors (548935827).

1244054253 is a wasteful number, since it uses less digits than its factorization.

1244054253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118868.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1244054253 is about 35271.1532700591. The cubic root of 1244054253 is about 1075.5066666599.

Adding to 1244054253 its reverse (3524504421), we get a palindrome (4768558674).

The spelling of 1244054253 in words is "one billion, two hundred forty-four million, fifty-four thousand, two hundred fifty-three".

Divisors: 1 3 13 39 269 807 3497 10491 118583 355749 1541579 4624737 31898827 95696481 414684751 1244054253