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144034013 = 178472589
BaseRepresentation
bin10001001010111…
…00100011011101
3101001000200112002
420211130203131
5243333042023
622143052045
73366161144
oct1045344335
9331020462
10144034013
1174337982
12402a1025
1323ac0536
14151b475b
15c9a1b28
hex895c8dd

144034013 has 4 divisors (see below), whose sum is σ = 152506620. Its totient is φ = 135561408.

The previous prime is 144034001. The next prime is 144034021. The reversal of 144034013 is 310430441.

It is a happy number.

144034013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310430441 = 476604903.

It can be written as a sum of positive squares in 2 ways, for example, as 133934329 + 10099684 = 11573^2 + 3178^2 .

It is a cyclic number.

It is not a de Polignac number, because 144034013 - 222 = 139839709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144034043) 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, 4236278 + ... + 4236311.

It is an arithmetic number, because the mean of its divisors is an integer number (38126655).

Almost surely, 2144034013 is an apocalyptic number.

It is an amenable number.

144034013 is a deficient number, since it is larger than the sum of its proper divisors (8472607).

144034013 is an equidigital number, since it uses as much as digits as its factorization.

144034013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8472606.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 144034013 is about 12001.4171246566. The cubic root of 144034013 is about 524.1895437768.

Adding to 144034013 its reverse (310430441), we get a palindrome (454464454).

It can be divided in two parts, 1440 and 34013, that added together give a palindrome (35453).

The spelling of 144034013 in words is "one hundred forty-four million, thirty-four thousand, thirteen".

Divisors: 1 17 8472589 144034013