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143450042 = 2170941969
BaseRepresentation
bin10001000110011…
…01111110111010
3100222221000110112
420203031332322
5243210400132
622122344322
73361206461
oct1043157672
9328830415
10143450042
1173a7915a
124005b0a2
13239477a8
14150a19d8
15c8d8ab2
hex88cdfba

143450042 has 8 divisors (see below), whose sum is σ = 215306100. Its totient is φ = 71681344.

The previous prime is 143450023. The next prime is 143450053. The reversal of 143450042 is 240054341.

143450042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 136632721 + 6817321 = 11689^2 + 2611^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17567 + ... + 24402.

Almost surely, 2143450042 is an apocalyptic number.

143450042 is a deficient number, since it is larger than the sum of its proper divisors (71856058).

143450042 is a wasteful number, since it uses less digits than its factorization.

143450042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43680.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 143450042 is about 11977.0631625620. The cubic root of 143450042 is about 523.4801601177.

The spelling of 143450042 in words is "one hundred forty-three million, four hundred fifty thousand, forty-two".

Divisors: 1 2 1709 3418 41969 83938 71725021 143450042