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143424330 = 23571514523
BaseRepresentation
bin10001000110001…
…11101101001010
3100222212201012020
420203013231022
5243204034310
622122025310
73361041510
oct1043075512
9328781166
10143424330
1173a60905
1240048236
1323938b8a
14150964b0
15c8d1170
hex88c7b4a

143424330 has 64 divisors (see below), whose sum is σ = 396085248. Its totient is φ = 32558400.

The previous prime is 143424329. The next prime is 143424349. The reversal of 143424330 is 33424341.

It is a self number, because there is not a number n which added to its sum of digits gives 143424330.

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 31 ways as a sum of consecutive naturals, for example, 29449 + ... + 33971.

It is an arithmetic number, because the mean of its divisors is an integer number (6188832).

Almost surely, 2143424330 is an apocalyptic number.

143424330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 143424330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198042624).

143424330 is an abundant number, since it is smaller than the sum of its proper divisors (252660918).

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

143424330 is a wasteful number, since it uses less digits than its factorization.

143424330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 143424330 is about 11975.9897294545. The cubic root of 143424330 is about 523.4488820366.

Adding to 143424330 its reverse (33424341), we get a palindrome (176848671).

The spelling of 143424330 in words is "one hundred forty-three million, four hundred twenty-four thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 151 210 302 453 755 906 1057 1510 2114 2265 3171 4523 4530 5285 6342 9046 10570 13569 15855 22615 27138 31661 31710 45230 63322 67845 94983 135690 158305 189966 316610 474915 682973 949830 1365946 2048919 3414865 4097838 4780811 6829730 9561622 10244595 14342433 20489190 23904055 28684866 47808110 71712165 143424330