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143472466 = 2641111913
BaseRepresentation
bin10001000110100…
…11011101010010
3100222222011020001
420203103131102
5243212104331
622123040214
73361332034
oct1043233522
9328864201
10143472466
1173a93a95
124007006a
1323954a67
14150a9c54
15c8e0561
hex88d3752

143472466 has 8 divisors (see below), whose sum is σ = 215546364. Its totient is φ = 71623680.

The previous prime is 143472463. The next prime is 143472481. The reversal of 143472466 is 664274341.

It can be written as a sum of positive squares in 2 ways, for example, as 106688241 + 36784225 = 10329^2 + 6065^2 .

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

It is not an unprimeable number, because it can be changed into a prime (143472463) 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 3 ways as a sum of consecutive naturals, for example, 54675 + ... + 57238.

Almost surely, 2143472466 is an apocalyptic number.

143472466 is a deficient number, since it is larger than the sum of its proper divisors (72073898).

143472466 is a wasteful number, since it uses less digits than its factorization.

143472466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112556.

The product of its digits is 96768, while the sum is 37.

The square root of 143472466 is about 11977.9992486225. Note that the first 3 decimals coincide. The cubic root of 143472466 is about 523.5074353682.

The spelling of 143472466 in words is "one hundred forty-three million, four hundred seventy-two thousand, four hundred sixty-six".

Divisors: 1 2 641 1282 111913 223826 71736233 143472466