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143240030 = 2514324003
BaseRepresentation
bin10001000100110…
…10101101011110
3100222112100101022
420202122231132
5243132140110
622114044142
73356343263
oct1042325536
9328470338
10143240030
117394539a
123bb79652
13238a301b
141504926a
15c896755
hex889ab5e

143240030 has 8 divisors (see below), whose sum is σ = 257832072. Its totient is φ = 57296008.

The previous prime is 143240003. The next prime is 143240033. The reversal of 143240030 is 30042341.

143240030 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 143239990 and 143240008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143240033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7161992 + ... + 7162011.

It is an arithmetic number, because the mean of its divisors is an integer number (32229009).

Almost surely, 2143240030 is an apocalyptic number.

143240030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143240030 is a deficient number, since it is larger than the sum of its proper divisors (114592042).

143240030 is a wasteful number, since it uses less digits than its factorization.

143240030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14324010.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 143240030 is about 11968.2926936134. The cubic root of 143240030 is about 523.2245756481.

Adding to 143240030 its reverse (30042341), we get a palindrome (173282371).

The spelling of 143240030 in words is "one hundred forty-three million, two hundred forty thousand, thirty".

Divisors: 1 2 5 10 14324003 28648006 71620015 143240030