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144402032 = 2437923813
BaseRepresentation
bin10001001101101…
…10011001110000
3101001201101100102
420212312121300
5243431331112
622155011532
73402253115
oct1046663160
9331641312
10144402032
1174569425
1240439ba8
1323bbbbb8
141526c90c
15ca25bc2
hex89b6670

144402032 has 20 divisors (see below), whose sum is σ = 280528920. Its totient is φ = 72007488.

The previous prime is 144402031. The next prime is 144402043. The reversal of 144402032 is 230204441.

It is a junction number, because it is equal to n+sod(n) for n = 144401995 and 144402013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144402031) by changing a digit.

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, 5843 + ... + 17970.

It is an arithmetic number, because the mean of its divisors is an integer number (14026446).

Almost surely, 2144402032 is an apocalyptic number.

It is an amenable number.

144402032 is a deficient number, since it is larger than the sum of its proper divisors (136126888).

144402032 is a wasteful number, since it uses less digits than its factorization.

144402032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24200 (or 24194 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 144402032 is about 12016.7396576609. The cubic root of 144402032 is about 524.6356135133.

Adding to 144402032 its reverse (230204441), we get a palindrome (374606473).

The spelling of 144402032 in words is "one hundred forty-four million, four hundred two thousand, thirty-two".

Divisors: 1 2 4 8 16 379 758 1516 3032 6064 23813 47626 95252 190504 381008 9025127 18050254 36100508 72201016 144402032