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144403927 = 413799293
BaseRepresentation
bin10001001101101…
…10110111010111
3101001201110221121
420212312313113
5243431411202
622155024411
73402261463
oct1046666727
9331643847
10144403927
117456a898
124043b107
1323bbca15
141526d4a3
15ca26537
hex89b6dd7

144403927 has 8 divisors (see below), whose sum is σ = 148332240. Its totient is φ = 140495040.

The previous prime is 144403907. The next prime is 144403937. The reversal of 144403927 is 729304441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 144403927 - 27 = 144403799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144403892 and 144403901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144403907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10893 + ... + 20185.

It is an arithmetic number, because the mean of its divisors is an integer number (18541530).

Almost surely, 2144403927 is an apocalyptic number.

144403927 is a deficient number, since it is larger than the sum of its proper divisors (3928313).

144403927 is an equidigital number, since it uses as much as digits as its factorization.

144403927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9713.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 144403927 is about 12016.8185057444. The cubic root of 144403927 is about 524.6379084490.

The spelling of 144403927 in words is "one hundred forty-four million, four hundred three thousand, nine hundred twenty-seven".

Divisors: 1 41 379 9293 15539 381013 3522047 144403927