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144163418 = 27167197313
BaseRepresentation
bin10001001011111…
…00001001011010
3101001021021000212
420211330021122
5243401212133
622145531122
73400240340
oct1045741132
9331237025
10144163418
1174416123
1240343aa2
1323b373c9
1415209990
15c9ca148
hex897c25a

144163418 has 32 divisors (see below), whose sum is σ = 250677504. Its totient is φ = 60907392.

The previous prime is 144163403. The next prime is 144163427. The reversal of 144163418 is 814361441.

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 15 ways as a sum of consecutive naturals, for example, 460430 + ... + 460742.

It is an arithmetic number, because the mean of its divisors is an integer number (7833672).

Almost surely, 2144163418 is an apocalyptic number.

144163418 is a deficient number, since it is larger than the sum of its proper divisors (106514086).

144163418 is a wasteful number, since it uses less digits than its factorization.

144163418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686.

The product of its digits is 9216, while the sum is 32.

The square root of 144163418 is about 12006.8071526114. The cubic root of 144163418 is about 524.3464799574.

The spelling of 144163418 in words is "one hundred forty-four million, one hundred sixty-three thousand, four hundred eighteen".

Divisors: 1 2 7 14 167 197 313 334 394 626 1169 1379 2191 2338 2758 4382 32899 52271 61661 65798 104542 123322 230293 365897 431627 460586 731794 863254 10297387 20594774 72081709 144163418