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144056393 = 1311081261
BaseRepresentation
bin10001001011000…
…10000001001001
3101001001211012222
420211202001021
5243334301033
622143343425
73366313325
oct1045420111
9331054188
10144056393
1174352778
12402b1b75
1323aca790
14151bc985
15c9a8598
hex8962049

144056393 has 4 divisors (see below), whose sum is σ = 155137668. Its totient is φ = 132975120.

The previous prime is 144056389. The next prime is 144056399. The reversal of 144056393 is 393650441.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29073664 + 114982729 = 5392^2 + 10723^2 .

It is a cyclic number.

It is not a de Polignac number, because 144056393 - 22 = 144056389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144056399) 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, 5540618 + ... + 5540643.

It is an arithmetic number, because the mean of its divisors is an integer number (38784417).

Almost surely, 2144056393 is an apocalyptic number.

144056393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

144056393 is a deficient number, since it is larger than the sum of its proper divisors (11081275).

144056393 is a wasteful number, since it uses less digits than its factorization.

144056393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11081274.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 144056393 is about 12002.3494783313. The cubic root of 144056393 is about 524.2166918886.

The spelling of 144056393 in words is "one hundred forty-four million, fifty-six thousand, three hundred ninety-three".

Divisors: 1 13 11081261 144056393