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144092288 = 2710612
BaseRepresentation
bin10001001011010…
…10110010000000
3101001010122110102
420211222302000
5243341423123
622144221532
73366523064
oct1045526200
9331118412
10144092288
117437773a
124030a8a8
1323b10c12
14151cbaa4
15c9b4028
hex896ac80

144092288 has 24 divisors (see below), whose sum is σ = 287329665. Its totient is φ = 71978240.

The previous prime is 144092281. The next prime is 144092293. The reversal of 144092288 is 882290441.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 140375104 + 3717184 = 11848^2 + 1928^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=8488.

It is a super-2 number, since 2×1440922882 = 41525174922149888, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144092281) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 135278 + ... + 136338.

Almost surely, 2144092288 is an apocalyptic number.

It is an amenable number.

144092288 is a deficient number, since it is larger than the sum of its proper divisors (143237377).

144092288 is an frugal number, since it uses more digits than its factorization.

144092288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 144092288 is about 12003.8447174228. The cubic root of 144092288 is about 524.2602285321.

The spelling of 144092288 in words is "one hundred forty-four million, ninety-two thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 16 32 64 128 1061 2122 4244 8488 16976 33952 67904 135808 1125721 2251442 4502884 9005768 18011536 36023072 72046144 144092288