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144224344 = 23111638913
BaseRepresentation
bin10001001100010…
…11000001011000
3101001101100121101
420212023001120
5243410134334
622151121144
73400613065
oct1046130130
9331340541
10144224344
1174457980
12403731b4
1323b59064
1415223c6c
15c9dd214
hex898b058

144224344 has 16 divisors (see below), whose sum is σ = 295004520. Its totient is φ = 65556480.

The previous prime is 144224321. The next prime is 144224351. The reversal of 144224344 is 443422441.

It is a super-2 number, since 2×1442243442 = 41601322804460672, 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 3 ways as a sum of consecutive naturals, for example, 819369 + ... + 819544.

Almost surely, 2144224344 is an apocalyptic number.

It is an amenable number.

144224344 is an abundant number, since it is smaller than the sum of its proper divisors (150780176).

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

144224344 is a wasteful number, since it uses less digits than its factorization.

144224344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638930 (or 1638926 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 144224344 is about 12009.3440287136. The cubic root of 144224344 is about 524.4203355739.

Adding to 144224344 its reverse (443422441), we get a palindrome (587646785).

The spelling of 144224344 in words is "one hundred forty-four million, two hundred twenty-four thousand, three hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 1638913 3277826 6555652 13111304 18028043 36056086 72112172 144224344