Search a number
-
+
143764027 = 1113069457
BaseRepresentation
bin10001001000110…
…10101000111011
3101000111222011121
420210122220323
5243300422102
622133210111
73363655051
oct1044325073
9330458147
10143764027
1174173050
1240190937
1323a27694
14151441d1
15c94bb37
hex891aa3b

143764027 has 4 divisors (see below), whose sum is σ = 156833496. Its totient is φ = 130694560.

The previous prime is 143764021. The next prime is 143764031. The reversal of 143764027 is 720467341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-143764027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143763983 and 143764001.

It is not an unprimeable number, because it can be changed into a prime (143764021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6534718 + ... + 6534739.

It is an arithmetic number, because the mean of its divisors is an integer number (39208374).

Almost surely, 2143764027 is an apocalyptic number.

143764027 is a deficient number, since it is larger than the sum of its proper divisors (13069469).

143764027 is a wasteful number, since it uses less digits than its factorization.

143764027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13069468.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 143764027 is about 11990.1637603496. The cubic root of 143764027 is about 523.8618148042.

The spelling of 143764027 in words is "one hundred forty-three million, seven hundred sixty-four thousand, twenty-seven".

Divisors: 1 11 13069457 143764027