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143064189 = 3215896021
BaseRepresentation
bin10001000011011…
…11110001111101
3100222012102011200
420201233301331
5243111023224
622110210113
73355011522
oct1041576175
9328172150
10143064189
1173835274
123bab3939
1323840c88
1415001149
15c85e5c9
hex886fc7d

143064189 has 6 divisors (see below), whose sum is σ = 206648286. Its totient is φ = 95376120.

The previous prime is 143064169. The next prime is 143064191. The reversal of 143064189 is 981460341.

143064189 is a `hidden beast` number, since 1 + 4 + 3 + 0 + 641 + 8 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 103184964 + 39879225 = 10158^2 + 6315^2 .

It is not a de Polignac number, because 143064189 - 220 = 142015613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143064109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7948002 + ... + 7948019.

It is an arithmetic number, because the mean of its divisors is an integer number (34441381).

Almost surely, 2143064189 is an apocalyptic number.

It is an amenable number.

143064189 is a deficient number, since it is larger than the sum of its proper divisors (63584097).

143064189 is a wasteful number, since it uses less digits than its factorization.

143064189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15896027 (or 15896024 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 143064189 is about 11960.9443189073. The cubic root of 143064189 is about 523.0103850424.

The spelling of 143064189 in words is "one hundred forty-three million, sixty-four thousand, one hundred eighty-nine".

Divisors: 1 3 9 15896021 47688063 143064189