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143424000 = 29335383
BaseRepresentation
bin10001000110001…
…11101000000000
3100222212200202000
420203013220000
5243204032000
622122024000
73361040526
oct1043075000
9328780660
10143424000
1173a60635
1240048000
1323938995
1415096316
15c8d1000
hex88c7a00

143424000 has 320 divisors, whose sum is σ = 536215680. Its totient is φ = 37785600.

The previous prime is 143423957. The next prime is 143424013. The reversal of 143424000 is 424341.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1727959 + ... + 1728041.

It is an arithmetic number, because the mean of its divisors is an integer number (1675674).

Almost surely, 2143424000 is an apocalyptic number.

143424000 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 143424000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268107840).

143424000 is an abundant number, since it is smaller than the sum of its proper divisors (392791680).

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

143424000 is an frugal number, since it uses more digits than its factorization.

143424000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 143424000 is about 11975.9759518797. The cubic root of 143424000 is about 523.4484805746.

Adding to 143424000 its reverse (424341), we get a palindrome (143848341).

The spelling of 143424000 in words is "one hundred forty-three million, four hundred twenty-four thousand".