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144066256 = 2423893769
BaseRepresentation
bin10001001011001…
…00011011010000
3101001002022202021
420211210123100
5243340110011
622143501224
73366354145
oct1045443320
9331068667
10144066256
117435a124
12402b7814
1323b02109
14151c23cc
15c9ab471
hex89646d0

144066256 has 20 divisors (see below), whose sum is σ = 279319300. Its totient is φ = 71983872.

The previous prime is 144066253. The next prime is 144066257. The reversal of 144066256 is 652660441.

It can be written as a sum of positive squares in 2 ways, for example, as 77088400 + 66977856 = 8780^2 + 8184^2 .

It is a super-2 number, since 2×1440662562 = 41510172235715072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144066253) 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 3 ways as a sum of consecutive naturals, for example, 36340 + ... + 40108.

It is an arithmetic number, because the mean of its divisors is an integer number (13965965).

Almost surely, 2144066256 is an apocalyptic number.

144066256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144066256 is a deficient number, since it is larger than the sum of its proper divisors (135253044).

144066256 is a wasteful number, since it uses less digits than its factorization.

144066256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6166 (or 6160 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 144066256 is about 12002.7603491863. The cubic root of 144066256 is about 524.2286553313.

The spelling of 144066256 in words is "one hundred forty-four million, sixty-six thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 2389 3769 4778 7538 9556 15076 19112 30152 38224 60304 9004141 18008282 36016564 72033128 144066256