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143240014 = 2444116127
BaseRepresentation
bin10001000100110…
…10101101001110
3100222112100100201
420202122231032
5243132140024
622114044114
73356343241
oct1042325516
9328470321
10143240014
1173945385
123bb7963a
13238a3008
1415049258
15c896744
hex889ab4e

143240014 has 8 divisors (see below), whose sum is σ = 214921728. Its totient is φ = 71599440.

The previous prime is 143240003. The next prime is 143240033. The reversal of 143240014 is 410042341.

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

It is a super-2 number, since 2×1432400142 = 41035403221440392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143239973 and 143240000.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 819 + ... + 16945.

It is an arithmetic number, because the mean of its divisors is an integer number (26865216).

Almost surely, 2143240014 is an apocalyptic number.

143240014 is a deficient number, since it is larger than the sum of its proper divisors (71681714).

143240014 is a wasteful number, since it uses less digits than its factorization.

143240014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20570.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 143240014 is about 11968.2920251805. The cubic root of 143240014 is about 523.2245561666.

Adding to 143240014 its reverse (410042341), we get a palindrome (553282355).

The spelling of 143240014 in words is "one hundred forty-three million, two hundred forty thousand, fourteen".

Divisors: 1 2 4441 8882 16127 32254 71620007 143240014