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1244214253 = 10112318953
BaseRepresentation
bin100101000101001…
…0011001111101101
310012201012122002101
41022022103033231
510022004324003
6323243455101
742555434542
oct11212231755
93181178071
101244214253
11589365647
122a8827491
1316aa05269
14bb35cbc9
157437111d
hex4a2933ed

1244214253 has 4 divisors (see below), whose sum is σ = 1256533308. Its totient is φ = 1231895200.

The previous prime is 1244214229. The next prime is 1244214271. The reversal of 1244214253 is 3524124421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 552156004 + 692058249 = 23498^2 + 26307^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244214253 - 229 = 707343341 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 (1244214203) 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, 6159376 + ... + 6159577.

It is an arithmetic number, because the mean of its divisors is an integer number (314133327).

Almost surely, 21244214253 is an apocalyptic number.

It is an amenable number.

1244214253 is a deficient number, since it is larger than the sum of its proper divisors (12319055).

1244214253 is a wasteful number, since it uses less digits than its factorization.

1244214253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12319054.

The product of its digits is 7680, while the sum is 28.

The square root of 1244214253 is about 35273.4213395866. The cubic root of 1244214253 is about 1075.5527722831.

Adding to 1244214253 its reverse (3524124421), we get a palindrome (4768338674).

The spelling of 1244214253 in words is "one billion, two hundred forty-four million, two hundred fourteen thousand, two hundred fifty-three".

Divisors: 1 101 12318953 1244214253