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143430424 = 23166310781
BaseRepresentation
bin10001000110010…
…01001100011000
3100222220000112221
420203021030120
5243204233144
622122113424
73361065334
oct1043111430
9328800487
10143430424
1173a65445
124004b874
132393b897
14150987c4
15c8d2d84
hex88c9318

143430424 has 16 divisors (see below), whose sum is σ = 269118720. Its totient is φ = 71665440.

The previous prime is 143430379. The next prime is 143430431. The reversal of 143430424 is 424034341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7914 + ... + 18694.

It is an arithmetic number, because the mean of its divisors is an integer number (16819920).

Almost surely, 2143430424 is an apocalyptic number.

It is an amenable number.

143430424 is a deficient number, since it is larger than the sum of its proper divisors (125688296).

143430424 is a wasteful number, since it uses less digits than its factorization.

143430424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12450 (or 12446 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 143430424 is about 11976.2441524879. The cubic root of 143430424 is about 523.4562955912.

Adding to 143430424 its reverse (424034341), we get a palindrome (567464765).

The spelling of 143430424 in words is "one hundred forty-three million, four hundred thirty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 1663 3326 6652 10781 13304 21562 43124 86248 17928803 35857606 71715212 143430424