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143424200 = 2352977393
BaseRepresentation
bin10001000110001…
…11101011001000
3100222212201000102
420203013223020
5243204033300
622122024532
73361041233
oct1043075310
9328781012
10143424200
1173a607a7
1240048148
1323938aba
141509641a
15c8d10d5
hex88c7ac8

143424200 has 48 divisors (see below), whose sum is σ = 336944580. Its totient is φ = 56770560.

The previous prime is 143424187. The next prime is 143424241. The reversal of 143424200 is 2424341.

It can be written as a sum of positive squares in 6 ways, for example, as 25180324 + 118243876 = 5018^2 + 10874^2 .

It is a super-2 number, since 2×1434242002 = 41141002291280000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15704 + ... + 23096.

Almost surely, 2143424200 is an apocalyptic number.

143424200 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 143424200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168472290).

143424200 is an abundant number, since it is smaller than the sum of its proper divisors (193520380).

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

143424200 is a wasteful number, since it uses less digits than its factorization.

143424200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7506 (or 7497 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 143424200 is about 11975.9843019269. The cubic root of 143424200 is about 523.4487238850.

Adding to 143424200 its reverse (2424341), we get a palindrome (145848541).

The spelling of 143424200 in words is "one hundred forty-three million, four hundred twenty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 97 100 194 200 388 485 776 970 1940 2425 3880 4850 7393 9700 14786 19400 29572 36965 59144 73930 147860 184825 295720 369650 717121 739300 1434242 1478600 2868484 3585605 5736968 7171210 14342420 17928025 28684840 35856050 71712100 143424200