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143850138 = 2323975023
BaseRepresentation
bin10001001001011…
…11101010011010
3101000200100021220
420210233222122
5243311201023
622135112510
73364464105
oct1044575232
9330610256
10143850138
1174221813
1240212736
1323a57933
141516773c
15c9673e3
hex892fa9a

143850138 has 8 divisors (see below), whose sum is σ = 287700288. Its totient is φ = 47950044.

The previous prime is 143850131. The next prime is 143850149. The reversal of 143850138 is 831058341.

143850138 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.

143850138 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 143850099 and 143850108.

It is not an unprimeable number, because it can be changed into a prime (143850131) 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, 11987506 + ... + 11987517.

It is an arithmetic number, because the mean of its divisors is an integer number (35962536).

Almost surely, 2143850138 is an apocalyptic number.

143850138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143850138 is a wasteful number, since it uses less digits than its factorization.

143850138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23975028.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 143850138 is about 11993.7541245433. The cubic root of 143850138 is about 523.9663872346.

The spelling of 143850138 in words is "one hundred forty-three million, eight hundred fifty thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 23975023 47950046 71925069 143850138