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143369189 = 2324172579
BaseRepresentation
bin10001000101110…
…10001111100101
3100222202220112222
420202322033211
5243200303224
622120522125
73360421655
oct1042721745
9328686488
10143369189
1173a23437
1240020345
1323919a52
1415080365
15c8beb5e
hex88ba3e5

143369189 has 8 divisors (see below), whose sum is σ = 149722560. Its totient is φ = 137025856.

The previous prime is 143369183. The next prime is 143369207. The reversal of 143369189 is 981963341.

143369189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143369189 - 24 = 143369173 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 (143369183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54302 + ... + 56880.

It is an arithmetic number, because the mean of its divisors is an integer number (18715320).

Almost surely, 2143369189 is an apocalyptic number.

It is an amenable number.

143369189 is a deficient number, since it is larger than the sum of its proper divisors (6353371).

143369189 is a wasteful number, since it uses less digits than its factorization.

143369189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019.

The product of its digits is 139968, while the sum is 44.

The square root of 143369189 is about 11973.6873602078. The cubic root of 143369189 is about 523.3817916191.

The spelling of 143369189 in words is "one hundred forty-three million, three hundred sixty-nine thousand, one hundred eighty-nine".

Divisors: 1 23 2417 2579 55591 59317 6233443 143369189