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144433473 = 348144491
BaseRepresentation
bin10001001101111…
…10000101000001
3101001202222110220
420212332011001
5243433332343
622155413253
73402443562
oct1046760501
9331688426
10144433473
1174590008
1240454229
1323c002c2
141527a169
15ca30183
hex89be141

144433473 has 4 divisors (see below), whose sum is σ = 192577968. Its totient is φ = 96288980.

The previous prime is 144433453. The next prime is 144433477. The reversal of 144433473 is 374334441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144433473 - 212 = 144429377 is a prime.

It is a super-2 number, since 2×1444334732 = 41722056245683458, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144433477) 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, 24072243 + ... + 24072248.

It is an arithmetic number, because the mean of its divisors is an integer number (48144492).

Almost surely, 2144433473 is an apocalyptic number.

It is an amenable number.

144433473 is a deficient number, since it is larger than the sum of its proper divisors (48144495).

144433473 is an equidigital number, since it uses as much as digits as its factorization.

144433473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48144494.

The product of its digits is 48384, while the sum is 33.

The square root of 144433473 is about 12018.0478032000. The cubic root of 144433473 is about 524.6736874727.

The spelling of 144433473 in words is "one hundred forty-four million, four hundred thirty-three thousand, four hundred seventy-three".

Divisors: 1 3 48144491 144433473