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144027277 = 197580383
BaseRepresentation
bin10001001010110…
…10111010001101
3101001000100021121
420211122322031
5243332333102
622143000541
73366132412
oct1045327215
9331010247
10144027277
1174332909
1240299151
1323aba454
14151b2109
15c99eb37
hex895ae8d

144027277 has 4 divisors (see below), whose sum is σ = 151607680. Its totient is φ = 136446876.

The previous prime is 144027241. The next prime is 144027307. The reversal of 144027277 is 772720441.

It is a happy number.

144027277 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 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 144027277 - 215 = 143994509 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 (144027217) 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, 3790173 + ... + 3790210.

It is an arithmetic number, because the mean of its divisors is an integer number (37901920).

Almost surely, 2144027277 is an apocalyptic number.

It is an amenable number.

144027277 is a deficient number, since it is larger than the sum of its proper divisors (7580403).

144027277 is an equidigital number, since it uses as much as digits as its factorization.

144027277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7580402.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 144027277 is about 12001.1364878498. The cubic root of 144027277 is about 524.1813721056.

The spelling of 144027277 in words is "one hundred forty-four million, twenty-seven thousand, two hundred seventy-seven".

Divisors: 1 19 7580383 144027277