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144384069 = 3291659587
BaseRepresentation
bin10001001101100…
…10000001000101
3101001200110201010
420212302001011
5243430242234
622154352433
73402146544
oct1046620105
9331613633
10144384069
1174556985
124042b719
1323bb397b
141526615b
15ca206e9
hex89b2045

144384069 has 8 divisors (see below), whose sum is σ = 199150560. Its totient is φ = 92936816.

The previous prime is 144384029. The next prime is 144384073. The reversal of 144384069 is 960483441.

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 144384069 - 29 = 144383557 is a prime.

It is a super-2 number, since 2×1443840692 = 41693518761993522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144384029) 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, 829707 + ... + 829880.

It is an arithmetic number, because the mean of its divisors is an integer number (24893820).

Almost surely, 2144384069 is an apocalyptic number.

It is an amenable number.

144384069 is a deficient number, since it is larger than the sum of its proper divisors (54766491).

144384069 is a wasteful number, since it uses less digits than its factorization.

144384069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659619.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 144384069 is about 12015.9922187059. The cubic root of 144384069 is about 524.6138584632.

The spelling of 144384069 in words is "one hundred forty-four million, three hundred eighty-four thousand, sixty-nine".

Divisors: 1 3 29 87 1659587 4978761 48128023 144384069