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144271131 = 348090377
BaseRepresentation
bin10001001100101…
…10011100011011
3101001110201210020
420212112130123
5243413134011
622152121523
73401166354
oct1046263433
9331421706
10144271131
117448a044
12403962a3
1323b74444
1415236d2b
15c9ec006
hex899671b

144271131 has 4 divisors (see below), whose sum is σ = 192361512. Its totient is φ = 96180752.

The previous prime is 144271109. The next prime is 144271147. The reversal of 144271131 is 131172441.

144271131 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.

It is a cyclic number.

It is not a de Polignac number, because 144271131 - 210 = 144270107 is a prime.

It is a super-2 number, since 2×1442711312 = 41628318480038322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144271031) 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, 24045186 + ... + 24045191.

It is an arithmetic number, because the mean of its divisors is an integer number (48090378).

Almost surely, 2144271131 is an apocalyptic number.

144271131 is a deficient number, since it is larger than the sum of its proper divisors (48090381).

144271131 is an equidigital number, since it uses as much as digits as its factorization.

144271131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48090380.

The product of its digits is 672, while the sum is 24.

The square root of 144271131 is about 12011.2918122906. The cubic root of 144271131 is about 524.4770375167.

The spelling of 144271131 in words is "one hundred forty-four million, two hundred seventy-one thousand, one hundred thirty-one".

Divisors: 1 3 48090377 144271131