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143331002 = 271665501
BaseRepresentation
bin10001000101100…
…00111010111010
3100222200222011122
420202300322322
5243143043002
622120025242
73360202433
oct1042607272
9328628148
10143331002
11739a7781
1240002222
1323905559
141507048a
15c8b36a2
hex88b0eba

143331002 has 4 divisors (see below), whose sum is σ = 214996506. Its totient is φ = 71665500.

The previous prime is 143330987. The next prime is 143331017. The reversal of 143331002 is 200133341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200133341 = 414881301.

It is an interprime number because it is at equal distance from previous prime (143330987) and next prime (143331017).

It can be written as a sum of positive squares in only one way, i.e., 133148521 + 10182481 = 11539^2 + 3191^2 .

It is a super-2 number, since 2×1433310022 = 41087552268648008, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35832749 + ... + 35832752.

Almost surely, 2143331002 is an apocalyptic number.

143331002 is a deficient number, since it is larger than the sum of its proper divisors (71665504).

143331002 is an equidigital number, since it uses as much as digits as its factorization.

143331002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71665503.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 143331002 is about 11972.0926324515. The cubic root of 143331002 is about 523.3353191625.

Adding to 143331002 its reverse (200133341), we get a palindrome (343464343).

The spelling of 143331002 in words is "one hundred forty-three million, three hundred thirty-one thousand, two".

Divisors: 1 2 71665501 143331002