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144964688 = 2411823663
BaseRepresentation
bin10001010001111…
…11110001010000
3101002202222011112
420220333301100
5244102332223
622215032452
73410115401
oct1050776120
9332688145
10144964688
1174913130
124066b728
132405802b
14153779a8
15cad7778
hex8a3fc50

144964688 has 20 divisors (see below), whose sum is σ = 306403008. Its totient is φ = 65892960.

The previous prime is 144964679. The next prime is 144964709. The reversal of 144964688 is 886469441.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 411656 + ... + 412007.

Almost surely, 2144964688 is an apocalyptic number.

It is an amenable number.

144964688 is an abundant number, since it is smaller than the sum of its proper divisors (161438320).

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

144964688 is a wasteful number, since it uses less digits than its factorization.

144964688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823682 (or 823676 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 144964688 is about 12040.1282385197. The cubic root of 144964688 is about 525.3161367305.

The spelling of 144964688 in words is "one hundred forty-four million, nine hundred sixty-four thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 11 16 22 44 88 176 823663 1647326 3294652 6589304 9060293 13178608 18120586 36241172 72482344 144964688