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143272080 = 243257231131
BaseRepresentation
bin10001000101000…
…10100010010000
3100222120222100100
420202202202100
5243134201310
622114452400
73356535600
oct1042424220
9328528310
10143272080
1173967486
123bb94100
13238b47a3
1415056c00
15c8a0ec0
hex88a2890

143272080 has 360 divisors, whose sum is σ = 582177024. Its totient is φ = 31449600.

The previous prime is 143272079. The next prime is 143272099. The reversal of 143272080 is 80272341.

It is a tau number, because it is divible by the number of its divisors (360).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1093615 + ... + 1093745.

Almost surely, 2143272080 is an apocalyptic number.

143272080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143272080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291088512).

143272080 is an abundant number, since it is smaller than the sum of its proper divisors (438904944).

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

143272080 is a wasteful number, since it uses less digits than its factorization.

143272080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 143272080 is about 11969.6315732774. The cubic root of 143272080 is about 523.2635966236.

The spelling of 143272080 in words is "one hundred forty-three million, two hundred seventy-two thousand, eighty".