Search a number
-
+
1244323444 = 227213488353
BaseRepresentation
bin100101000101010…
…1101111001110100
310012201102011212111
41022022231321310
510022021322234
6323250100404
742556401100
oct11212557164
93181364774
101244323444
1158942a691
122a887a704
1316aa42b80
14bb38a900
1574393664
hex4a2ade74

1244323444 has 36 divisors (see below), whose sum is σ = 2727945444. Its totient is φ = 492258816.

The previous prime is 1244323429. The next prime is 1244323463. The reversal of 1244323444 is 4443234421.

It can be written as a sum of positive squares in 2 ways, for example, as 638572900 + 605750544 = 25270^2 + 24612^2 .

It is a super-2 number, since 2×12443234442 = 3096681666576042272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241629 + ... + 246724.

Almost surely, 21244323444 is an apocalyptic number.

1244323444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1244323444 is an abundant number, since it is smaller than the sum of its proper divisors (1483622000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244323444 is a wasteful number, since it uses less digits than its factorization.

1244323444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488384 (or 488375 counting only the distinct ones).

The product of its digits is 36864, while the sum is 31.

The square root of 1244323444 is about 35274.9690857412. The cubic root of 1244323444 is about 1075.5842345084.

Adding to 1244323444 its reverse (4443234421), we get a palindrome (5687557865).

The spelling of 1244323444 in words is "one billion, two hundred forty-four million, three hundred twenty-three thousand, four hundred forty-four".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 182 196 364 637 1274 2548 488353 976706 1953412 3418471 6348589 6836942 12697178 13673884 23929297 25394356 44440123 47858594 88880246 95717188 177760492 311080861 622161722 1244323444