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144594028 = 22198921377
BaseRepresentation
bin10001001111001…
…01010001101100
3101002002010201101
420213211101230
5244004002103
622203052444
73404012635
oct1047452154
9332063641
10144594028
117468a6a7
1240511124
1323c583c7
14152bc88c
15ca62a1d
hex89e546c

144594028 has 24 divisors (see below), whose sum is σ = 269362800. Its totient is φ = 67719168.

The previous prime is 144594019. The next prime is 144594049. The reversal of 144594028 is 820495441.

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 7 ways as a sum of consecutive naturals, for example, 3925 + ... + 17452.

It is an arithmetic number, because the mean of its divisors is an integer number (11223450).

Almost surely, 2144594028 is an apocalyptic number.

It is an amenable number.

144594028 is a deficient number, since it is larger than the sum of its proper divisors (124768772).

144594028 is a wasteful number, since it uses less digits than its factorization.

144594028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21489 (or 21487 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 144594028 is about 12024.7256933370. The cubic root of 144594028 is about 524.8680279016.

The spelling of 144594028 in words is "one hundred forty-four million, five hundred ninety-four thousand, twenty-eight".

Divisors: 1 2 4 19 38 76 89 178 356 1691 3382 6764 21377 42754 85508 406163 812326 1624652 1902553 3805106 7610212 36148507 72297014 144594028