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144271077 = 3718232
BaseRepresentation
bin10001001100101…
…10011011100101
3101001110201201020
420212112123211
5243413133302
622152121353
73401166246
oct1046263345
9331421636
10144271077
1174489aa5
1240396259
1323b74402
1415236ccd
15c9ebebc
hex89966e5

144271077 has 12 divisors (see below), whose sum is σ = 195308064. Its totient is φ = 94710840.

The previous prime is 144271073. The next prime is 144271093. The reversal of 144271077 is 770172441.

144271077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144271077 - 22 = 144271073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144271073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174888 + ... + 175710.

It is an arithmetic number, because the mean of its divisors is an integer number (16275672).

Almost surely, 2144271077 is an apocalyptic number.

It is an amenable number.

144271077 is a deficient number, since it is larger than the sum of its proper divisors (51036987).

144271077 is an frugal number, since it uses more digits than its factorization.

144271077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 144271077 is about 12011.2895644056. The cubic root of 144271077 is about 524.4769720803.

The spelling of 144271077 in words is "one hundred forty-four million, two hundred seventy-one thousand, seventy-seven".

Divisors: 1 3 71 213 823 2469 58433 175299 677329 2031987 48090359 144271077