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143002234 = 271501117
BaseRepresentation
bin10001000011000…
…00101001111010
3100222002021012001
420201200221322
5243102032414
622105011214
73354333064
oct1041405172
9328067161
10143002234
11737a2771
123ba83b0a
132381ba0b
1414dc6734
15c84b074
hex8860a7a

143002234 has 4 divisors (see below), whose sum is σ = 214503354. Its totient is φ = 71501116.

The previous prime is 143002231. The next prime is 143002241. The reversal of 143002234 is 432200341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432200341 = 593728837.

It can be written as a sum of positive squares in only one way, i.e., 142444225 + 558009 = 11935^2 + 747^2 .

It is not an unprimeable number, because it can be changed into a prime (143002231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35750557 + ... + 35750560.

Almost surely, 2143002234 is an apocalyptic number.

143002234 is a deficient number, since it is larger than the sum of its proper divisors (71501120).

143002234 is an equidigital number, since it uses as much as digits as its factorization.

143002234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71501119.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 143002234 is about 11958.3541509691. The cubic root of 143002234 is about 522.9348763093.

Adding to 143002234 its reverse (432200341), we get a palindrome (575202575).

The spelling of 143002234 in words is "one hundred forty-three million, two thousand, two hundred thirty-four".

Divisors: 1 2 71501117 143002234