Search a number
-
+
144404352 = 27321031217
BaseRepresentation
bin10001001101101…
…10111110000000
3101001201111112100
420212312332000
5243431414402
622155030400
73402262641
oct1046667600
9331644470
10144404352
1174570144
124043b400
1323bbcc81
141526d6c8
15ca2671c
hex89b6f80

144404352 has 96 divisors (see below), whose sum is σ = 419917680. Its totient is φ = 47628288.

The previous prime is 144404333. The next prime is 144404353. The reversal of 144404352 is 253404441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144404353) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 118048 + ... + 119264.

Almost surely, 2144404352 is an apocalyptic number.

144404352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144404352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209958840).

144404352 is an abundant number, since it is smaller than the sum of its proper divisors (275513328).

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

144404352 is a wasteful number, since it uses less digits than its factorization.

144404352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1325 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 144404352 is about 12016.8361892804. The cubic root of 144404352 is about 524.6384231416.

Adding to 144404352 its reverse (253404441), we get a palindrome (397808793).

It can be divided in two parts, 144 and 404352, that added together give a square (404496 = 6362).

The spelling of 144404352 in words is "one hundred forty-four million, four hundred four thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 103 128 144 192 206 288 309 384 412 576 618 824 927 1152 1217 1236 1648 1854 2434 2472 3296 3651 3708 4868 4944 6592 7302 7416 9736 9888 10953 13184 14604 14832 19472 19776 21906 29208 29664 38944 39552 43812 58416 59328 77888 87624 116832 118656 125351 155776 175248 233664 250702 350496 376053 467328 501404 700992 752106 1002808 1128159 1401984 1504212 2005616 2256318 3008424 4011232 4512636 6016848 8022464 9025272 12033696 16044928 18050544 24067392 36101088 48134784 72202176 144404352