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144212168 = 2347834621
BaseRepresentation
bin10001001100010…
…00000011001000
3101001100201220102
420212020003020
5243404242133
622150544532
73400532432
oct1046100310
9331321812
10144212168
1174449811
1240368148
1323b53659
141521d652
15c9d97e8
hex89880c8

144212168 has 32 divisors (see below), whose sum is σ = 279538560. Its totient is φ = 69706560.

The previous prime is 144212141. The next prime is 144212171. The reversal of 144212168 is 861212441.

It is a self number, because there is not a number n which added to its sum of digits gives 144212168.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28898 + ... + 33518.

It is an arithmetic number, because the mean of its divisors is an integer number (8735580).

Almost surely, 2144212168 is an apocalyptic number.

It is an amenable number.

144212168 is a deficient number, since it is larger than the sum of its proper divisors (135326392).

144212168 is a wasteful number, since it uses less digits than its factorization.

144212168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4757 (or 4753 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 144212168 is about 12008.8370794178. The cubic root of 144212168 is about 524.4055772663.

The spelling of 144212168 in words is "one hundred forty-four million, two hundred twelve thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 47 83 94 166 188 332 376 664 3901 4621 7802 9242 15604 18484 31208 36968 217187 383543 434374 767086 868748 1534172 1737496 3068344 18026521 36053042 72106084 144212168