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144324434 = 2246729251
BaseRepresentation
bin10001001101000…
…11011101010010
3101001120102220102
420212203131102
5243421340214
622153212402
73401510642
oct1046433522
9331512812
10144324434
11745160a1
1240401102
1323b92797
141524c522
15ca0cbde
hex89a3752

144324434 has 8 divisors (see below), whose sum is σ = 216581808. Its totient is φ = 72130500.

The previous prime is 144324421. The next prime is 144324463. The reversal of 144324434 is 434423441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1443244343 (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144324397 and 144324406.

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 3 ways as a sum of consecutive naturals, for example, 9692 + ... + 19559.

It is an arithmetic number, because the mean of its divisors is an integer number (27072726).

Almost surely, 2144324434 is an apocalyptic number.

144324434 is a deficient number, since it is larger than the sum of its proper divisors (72257374).

144324434 is a wasteful number, since it uses less digits than its factorization.

144324434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31720.

The product of its digits is 18432, while the sum is 29.

The square root of 144324434 is about 12013.5104777912. The cubic root of 144324434 is about 524.5416213715.

Adding to 144324434 its reverse (434423441), we get a palindrome (578747875).

The spelling of 144324434 in words is "one hundred forty-four million, three hundred twenty-four thousand, four hundred thirty-four".

Divisors: 1 2 2467 4934 29251 58502 72162217 144324434