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144484432 = 2471193659
BaseRepresentation
bin10001001110010…
…10100001010000
3101001212120101021
420213022201100
5243442000212
622200445224
73403045261
oct1047124120
9331776337
10144484432
1174615324
1240479814
1323c1a561
1415290968
15ca40307
hex89ca850

144484432 has 40 divisors (see below), whose sum is σ = 285785280. Its totient is φ = 70748160.

The previous prime is 144484427. The next prime is 144484441. The reversal of 144484432 is 234484441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218919 + ... + 219577.

It is an arithmetic number, because the mean of its divisors is an integer number (7144632).

Almost surely, 2144484432 is an apocalyptic number.

It is an amenable number.

144484432 is a deficient number, since it is larger than the sum of its proper divisors (141300848).

144484432 is a wasteful number, since it uses less digits than its factorization.

144484432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 925 counting only the distinct ones).

The product of its digits is 49152, while the sum is 34.

The square root of 144484432 is about 12020.1677192958. The cubic root of 144484432 is about 524.7353853189.

Subtracting 144484432 from its reverse (234484441), we obtain a palindrome (90000009).

The spelling of 144484432 in words is "one hundred forty-four million, four hundred eighty-four thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 71 142 193 284 386 568 659 772 1136 1318 1544 2636 3088 5272 10544 13703 27406 46789 54812 93578 109624 127187 187156 219248 254374 374312 508748 748624 1017496 2034992 9030277 18060554 36121108 72242216 144484432