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144328512 = 263751711
BaseRepresentation
bin10001001101001…
…00011101000000
3101001120122111110
420212210131000
5243422003022
622153243320
73401525556
oct1046443500
9331518443
10144328512
1174519169
1240403540
1323b945b3
141524dbd6
15ca0e00c
hex89a4740

144328512 has 28 divisors (see below), whose sum is σ = 381869696. Its totient is φ = 48109440.

The previous prime is 144328507. The next prime is 144328543. The reversal of 144328512 is 215823441.

It is a super-2 number, since 2×1443285122 = 41661438752268288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144328512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375664 + ... + 376047.

Almost surely, 2144328512 is an apocalyptic number.

144328512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144328512 is an abundant number, since it is smaller than the sum of its proper divisors (237541184).

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

144328512 is an equidigital number, since it uses as much as digits as its factorization.

144328512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751726 (or 751716 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 144328512 is about 12013.6802021695. The cubic root of 144328512 is about 524.5465617698.

The spelling of 144328512 in words is "one hundred forty-four million, three hundred twenty-eight thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 751711 1503422 2255133 3006844 4510266 6013688 9020532 12027376 18041064 24054752 36082128 48109504 72164256 144328512