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143494083 = 3215943787
BaseRepresentation
bin10001000110110…
…00101111000011
3101000000020212200
420203120233003
5243213302313
622123324243
73361452045
oct1043305703
9330006780
10143494083
1173aa9257
1240080683
1323961855
14150b3a95
15c8e6b73
hex88d8bc3

143494083 has 6 divisors (see below), whose sum is σ = 207269244. Its totient is φ = 95662716.

The previous prime is 143494073. The next prime is 143494111. The reversal of 143494083 is 380494341.

It is not a de Polignac number, because 143494083 - 212 = 143489987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143494073) 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 5 ways as a sum of consecutive naturals, for example, 7971885 + ... + 7971902.

It is an arithmetic number, because the mean of its divisors is an integer number (34544874).

Almost surely, 2143494083 is an apocalyptic number.

143494083 is a deficient number, since it is larger than the sum of its proper divisors (63775161).

143494083 is a wasteful number, since it uses less digits than its factorization.

143494083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15943793 (or 15943790 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 143494083 is about 11978.9015773567. The cubic root of 143494083 is about 523.5337263406.

The spelling of 143494083 in words is "one hundred forty-three million, four hundred ninety-four thousand, eighty-three".

Divisors: 1 3 9 15943787 47831361 143494083