Search a number
-
+
144000066 = 2373428573
BaseRepresentation
bin10001001010101…
…00010001000010
3101000221221221210
420211110101002
5243331000231
622142230550
73365660160
oct1045242102
9330857853
10144000066
1174314421
1240285456
1323aaac52
14151a6230
15c996a46
hex8954442

144000066 has 16 divisors (see below), whose sum is σ = 329143104. Its totient is φ = 41142864.

The previous prime is 144000037. The next prime is 144000083. The reversal of 144000066 is 660000441.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1714245 + ... + 1714328.

It is an arithmetic number, because the mean of its divisors is an integer number (20571444).

Almost surely, 2144000066 is an apocalyptic number.

144000066 is an abundant number, since it is smaller than the sum of its proper divisors (185143038).

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

144000066 is a wasteful number, since it uses less digits than its factorization.

144000066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428585.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 144000066 is about 12000.0027499997. The cubic root of 144000066 is about 524.1483589200.

The spelling of 144000066 in words is "one hundred forty-four million, sixty-six", and thus it is an aban number.

Divisors: 1 2 3 6 7 14 21 42 3428573 6857146 10285719 20571438 24000011 48000022 72000033 144000066