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144875290 = 2572069647
BaseRepresentation
bin10001010001010…
…01111100011010
3101002121102112111
420220221330122
5244042002130
622213102534
73406263640
oct1050517432
9332542474
10144875290
1174861a4a
1240627a4a
1324026431
1415353190
15cabb02a
hex8a29f1a

144875290 has 16 divisors (see below), whose sum is σ = 298029312. Its totient is φ = 49671504.

The previous prime is 144875273. The next prime is 144875303. The reversal of 144875290 is 92578441.

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, 1034754 + ... + 1034893.

It is an arithmetic number, because the mean of its divisors is an integer number (18626832).

Almost surely, 2144875290 is an apocalyptic number.

144875290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144875290 is an abundant number, since it is smaller than the sum of its proper divisors (153154022).

144875290 is a wasteful number, since it uses less digits than its factorization.

144875290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069661.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 144875290 is about 12036.4151639930. The cubic root of 144875290 is about 525.2081291193.

The spelling of 144875290 in words is "one hundred forty-four million, eight hundred seventy-five thousand, two hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 2069647 4139294 10348235 14487529 20696470 28975058 72437645 144875290