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144291316 = 221343471373
BaseRepresentation
bin10001001100110…
…11010111110100
3101001111202110211
420212123113310
5243414310231
622152355204
73401312251
oct1046332764
9331452424
10144291316
11744a3224
12403a5b04
1323b806a0
1415240428
15ca02eb1
hex899b5f4

144291316 has 48 divisors (see below), whose sum is σ = 284385024. Its totient is φ = 63616896.

The previous prime is 144291311. The next prime is 144291317. The reversal of 144291316 is 613192441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144291311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104406 + ... + 105778.

It is an arithmetic number, because the mean of its divisors is an integer number (5924688).

Almost surely, 2144291316 is an apocalyptic number.

It is an amenable number.

144291316 is a deficient number, since it is larger than the sum of its proper divisors (140093708).

144291316 is a wasteful number, since it uses less digits than its factorization.

144291316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480 (or 1478 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 144291316 is about 12012.1320339064. The cubic root of 144291316 is about 524.5014962685.

The spelling of 144291316 in words is "one hundred forty-four million, two hundred ninety-one thousand, three hundred sixteen".

Divisors: 1 2 4 13 26 43 47 52 86 94 172 188 559 611 1118 1222 1373 2021 2236 2444 2746 4042 5492 8084 17849 26273 35698 52546 59039 64531 71396 105092 118078 129062 236156 258124 767507 838903 1535014 1677806 2774833 3070028 3355612 5549666 11099332 36072829 72145658 144291316