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144395298 = 234891329
BaseRepresentation
bin10001001101101…
…00110000100010
3101001201001010000
420212310300202
5243431122143
622154520430
73402224355
oct1046646042
9331631100
10144395298
1174564363
1240436116
1323bb8b08
141526a29c
15ca23bd3
hex89b4c22

144395298 has 20 divisors (see below), whose sum is σ = 323552790. Its totient is φ = 48131712.

The previous prime is 144395281. The next prime is 144395309. The reversal of 144395298 is 892593441.

It can be written as a sum of positive squares in only one way, i.e., 129208689 + 15186609 = 11367^2 + 3897^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 445503 + ... + 445826.

Almost surely, 2144395298 is an apocalyptic number.

144395298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

144395298 is an abundant number, since it is smaller than the sum of its proper divisors (179157492).

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

144395298 is an equidigital number, since it uses as much as digits as its factorization.

144395298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891343 (or 891334 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 144395298 is about 12016.4594619214. The cubic root of 144395298 is about 524.6274581545.

The spelling of 144395298 in words is "one hundred forty-four million, three hundred ninety-five thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 891329 1782658 2673987 5347974 8021961 16043922 24065883 48131766 72197649 144395298