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144228127 = 550326209
BaseRepresentation
bin10001001100010…
…11111100011111
3101001101112210111
420212023330133
5243410300002
622151150451
73400630111
oct1046137437
9331345714
10144228127
117445a7aa
1240375427
1323b5a9b4
14152253b1
15c9de3d7
hex898bf1f

144228127 has 4 divisors (see below), whose sum is σ = 144259840. Its totient is φ = 144196416.

The previous prime is 144228113. The next prime is 144228131. The reversal of 144228127 is 721822441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144228127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144228727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7602 + ... + 18607.

It is an arithmetic number, because the mean of its divisors is an integer number (36064960).

Almost surely, 2144228127 is an apocalyptic number.

144228127 is a deficient number, since it is larger than the sum of its proper divisors (31713).

144228127 is an equidigital number, since it uses as much as digits as its factorization.

144228127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31712.

The product of its digits is 7168, while the sum is 31.

The square root of 144228127 is about 12009.5015300386. The cubic root of 144228127 is about 524.4249207101.

The spelling of 144228127 in words is "one hundred forty-four million, two hundred twenty-eight thousand, one hundred twenty-seven".

Divisors: 1 5503 26209 144228127