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144347329 = 729370379
BaseRepresentation
bin10001001101010…
…01000011000001
3101001121121022101
420212221003001
5243423103304
622153510401
73401634460
oct1046510301
9331547271
10144347329
1174531315
1240412401
1323ba0029
14152569d7
15ca148a4
hex89a90c1

144347329 has 8 divisors (see below), whose sum is σ = 165533760. Its totient is φ = 123302256.

The previous prime is 144347327. The next prime is 144347363. The reversal of 144347329 is 923743441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144347329 - 21 = 144347327 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144347327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33139 + ... + 37240.

It is an arithmetic number, because the mean of its divisors is an integer number (20691720).

Almost surely, 2144347329 is an apocalyptic number.

It is an amenable number.

144347329 is a deficient number, since it is larger than the sum of its proper divisors (21186431).

144347329 is an equidigital number, since it uses as much as digits as its factorization.

144347329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70679.

The product of its digits is 72576, while the sum is 37.

The square root of 144347329 is about 12014.4633255090. The cubic root of 144347329 is about 524.5693569048.

The spelling of 144347329 in words is "one hundred forty-four million, three hundred forty-seven thousand, three hundred twenty-nine".

Divisors: 1 7 293 2051 70379 492653 20621047 144347329