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143330072 = 23194720063
BaseRepresentation
bin10001000101100…
…00101100011000
3100222200220220012
420202300230120
5243143030242
622120021052
73360166634
oct1042605430
9328626805
10143330072
11739a7006
1240001788
1323904cc2
141506ddc4
15c8b3282
hex88b0b18

143330072 has 32 divisors (see below), whose sum is σ = 288921600. Its totient is φ = 66445344.

The previous prime is 143330071. The next prime is 143330123. The reversal of 143330072 is 270033341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143330071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2888 + ... + 17175.

It is an arithmetic number, because the mean of its divisors is an integer number (9028800).

Almost surely, 2143330072 is an apocalyptic number.

It is an amenable number.

143330072 is an abundant number, since it is smaller than the sum of its proper divisors (145591528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143330072 is a wasteful number, since it uses less digits than its factorization.

143330072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20135 (or 20131 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 143330072 is about 11972.0537920609. The cubic root of 143330072 is about 523.3341872769.

The spelling of 143330072 in words is "one hundred forty-three million, three hundred thirty thousand, seventy-two".

Divisors: 1 2 4 8 19 38 47 76 94 152 188 376 893 1786 3572 7144 20063 40126 80252 160504 381197 762394 942961 1524788 1885922 3049576 3771844 7543688 17916259 35832518 71665036 143330072