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144421314 = 23671013557
BaseRepresentation
bin10001001101110…
…11000111000010
3101001202100210120
420212323013002
5243432440224
622155241110
73402363252
oct1046730702
9331670716
10144421314
1174581964
1240449196
1323bc78cb
1415275962
15ca2b779
hex89bb1c2

144421314 has 32 divisors (see below), whose sum is σ = 296139456. Its totient is φ = 46939200.

The previous prime is 144421297. The next prime is 144421327. The reversal of 144421314 is 413124441.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38824 + ... + 42380.

It is an arithmetic number, because the mean of its divisors is an integer number (9254358).

Almost surely, 2144421314 is an apocalyptic number.

144421314 is an abundant number, since it is smaller than the sum of its proper divisors (151718142).

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

144421314 is a wasteful number, since it uses less digits than its factorization.

144421314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730.

The product of its digits is 1536, while the sum is 24.

The square root of 144421314 is about 12017.5419283646. The cubic root of 144421314 is about 524.6589640011.

Adding to 144421314 its reverse (413124441), we get a palindrome (557545755).

The spelling of 144421314 in words is "one hundred forty-four million, four hundred twenty-one thousand, three hundred fourteen".

Divisors: 1 2 3 6 67 101 134 201 202 303 402 606 3557 6767 7114 10671 13534 20301 21342 40602 238319 359257 476638 714957 718514 1077771 1429914 2155542 24070219 48140438 72210657 144421314