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144322312 = 23193211443
BaseRepresentation
bin10001001101000…
…10111100001000
3101001120022222211
420212202330020
5243421303222
622153154504
73401501521
oct1046427410
9331508884
10144322312
1174514542
12403bba34
1323b91824
141524b848
15ca0c277
hex89a2f08

144322312 has 32 divisors (see below), whose sum is σ = 273912480. Its totient is φ = 71285760.

The previous prime is 144322291. The next prime is 144322313. The reversal of 144322312 is 213223441.

It is not an unprimeable number, because it can be changed into a prime (144322313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325563 + ... + 326005.

It is an arithmetic number, because the mean of its divisors is an integer number (8559765).

Almost surely, 2144322312 is an apocalyptic number.

It is an amenable number.

144322312 is a deficient number, since it is larger than the sum of its proper divisors (129590168).

144322312 is a wasteful number, since it uses less digits than its factorization.

144322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 849 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 144322312 is about 12013.4221602339. The cubic root of 144322312 is about 524.5390505830.

Adding to 144322312 its reverse (213223441), we get a palindrome (357545753).

The spelling of 144322312 in words is "one hundred forty-four million, three hundred twenty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 193 211 386 422 443 772 844 886 1544 1688 1772 3544 40723 81446 85499 93473 162892 170998 186946 325784 341996 373892 683992 747784 18040289 36080578 72161156 144322312