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143342864 = 2471279847
BaseRepresentation
bin10001000101100…
…11110100010000
3100222201120102222
420202303310100
5243143432424
622120200212
73360252140
oct1042636420
9328646388
10143342864
1173a05685
1240009068
132390aa82
1415074920
15c8b6e5e
hex88b3d10

143342864 has 20 divisors (see below), whose sum is σ = 317402304. Its totient is φ = 61432608.

The previous prime is 143342851. The next prime is 143342867. The reversal of 143342864 is 468243341.

It is not an unprimeable number, because it can be changed into a prime (143342867) 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 in 3 ways as a sum of consecutive naturals, for example, 639812 + ... + 640035.

Almost surely, 2143342864 is an apocalyptic number.

143342864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

143342864 is an abundant number, since it is smaller than the sum of its proper divisors (174059440).

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

143342864 is a wasteful number, since it uses less digits than its factorization.

143342864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279862 (or 1279856 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 143342864 is about 11972.5880243162. The cubic root of 143342864 is about 523.3497557515.

The spelling of 143342864 in words is "one hundred forty-three million, three hundred forty-two thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 1279847 2559694 5119388 8958929 10238776 17917858 20477552 35835716 71671432 143342864