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142066800 = 243252193167
BaseRepresentation
bin10000111011111…
…00010001110000
3100220022202000100
420131330101300
5242332114200
622032552400
73343355631
oct1035742160
9326282010
10142066800
1173213987
123b6b2700
1323581cc5
1414c21888
15c713d00
hex877c470

142066800 has 360 divisors, whose sum is σ = 543695360. Its totient is φ = 34214400.

The previous prime is 142066783. The next prime is 142066843. The reversal of 142066800 is 8660241.

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

It is a congruent number.

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 in 71 ways as a sum of consecutive naturals, for example, 2120367 + ... + 2120433.

Almost surely, 2142066800 is an apocalyptic number.

142066800 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 142066800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271847680).

142066800 is an abundant number, since it is smaller than the sum of its proper divisors (401628560).

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

142066800 is a wasteful number, since it uses less digits than its factorization.

142066800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 142066800 is about 11919.1778239944. The cubic root of 142066800 is about 521.7921399038.

The spelling of 142066800 in words is "one hundred forty-two million, sixty-six thousand, eight hundred".