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1244211241 = 71397114081
BaseRepresentation
bin100101000101001…
…0010100000101001
310012201012110221211
41022022102200221
510022004224431
6323243433121
742555423010
oct11212224051
93181173854
101244211241
11589363359
122a88257a1
1316aa03a90
14bb35ba77
15743702b1
hex4a292829

1244211241 has 16 divisors (see below), whose sum is σ = 1533022848. Its totient is φ = 983347200.

The previous prime is 1244211217. The next prime is 1244211377. The reversal of 1244211241 is 1421124421.

It is a cyclic number.

It is not a de Polignac number, because 1244211241 - 221 = 1242114089 is a prime.

It is a super-2 number, since 2×12442112412 = 3096123224461520162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1244211541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81321 + ... + 95401.

It is an arithmetic number, because the mean of its divisors is an integer number (95813928).

Almost surely, 21244211241 is an apocalyptic number.

It is an amenable number.

1244211241 is a deficient number, since it is larger than the sum of its proper divisors (288811607).

1244211241 is a wasteful number, since it uses less digits than its factorization.

1244211241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15072.

The product of its digits is 512, while the sum is 22.

The square root of 1244211241 is about 35273.3786445245. The cubic root of 1244211241 is about 1075.5519043813.

Adding to 1244211241 its reverse (1421124421), we get a palindrome (2665335662).

The spelling of 1244211241 in words is "one billion, two hundred forty-four million, two hundred eleven thousand, two hundred forty-one".

Divisors: 1 7 13 91 971 6797 12623 14081 88361 98567 183053 1281371 13672651 95708557 177744463 1244211241