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144469382 = 272234691
BaseRepresentation
bin10001001110001…
…10110110000110
3101001211210201212
420213012312012
5243441010012
622200251422
73402653351
oct1047066606
9331753655
10144469382
1174604a92
1240470b72
1323c13755
1415289298
15ca3ab22
hex89c6d86

144469382 has 4 divisors (see below), whose sum is σ = 216704076. Its totient is φ = 72234690.

The previous prime is 144469307. The next prime is 144469397. The reversal of 144469382 is 283964441.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36117344 + ... + 36117347.

It is an arithmetic number, because the mean of its divisors is an integer number (54176019).

Almost surely, 2144469382 is an apocalyptic number.

144469382 is a deficient number, since it is larger than the sum of its proper divisors (72234694).

144469382 is an equidigital number, since it uses as much as digits as its factorization.

144469382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72234693.

The product of its digits is 165888, while the sum is 41.

The square root of 144469382 is about 12019.5416717943. The cubic root of 144469382 is about 524.7171652665.

The spelling of 144469382 in words is "one hundred forty-four million, four hundred sixty-nine thousand, three hundred eighty-two".

Divisors: 1 2 72234691 144469382