Search a number
-
+
143220034 = 22324112919
BaseRepresentation
bin10001000100101…
…01110101000010
3100222111022221201
420202111311002
5243131020114
622113411414
73356231056
oct1042256502
9328438851
10143220034
1173931371
123bb69b6a
1323896ba9
1415041c66
15c890874
hex8895d42

143220034 has 16 divisors (see below), whose sum is σ = 225118080. Its totient is φ = 68207040.

The previous prime is 143220029. The next prime is 143220041. The reversal of 143220034 is 430022341.

It is a super-2 number, since 2×1432200342 = 41023956277922312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143219993 and 143220020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4627 + ... + 17545.

It is an arithmetic number, because the mean of its divisors is an integer number (14069880).

Almost surely, 2143220034 is an apocalyptic number.

143220034 is a deficient number, since it is larger than the sum of its proper divisors (81898046).

143220034 is a wasteful number, since it uses less digits than its factorization.

143220034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13185.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 143220034 is about 11967.4572905024. The cubic root of 143220034 is about 523.2002275068.

Adding to 143220034 its reverse (430022341), we get a palindrome (573242375).

The spelling of 143220034 in words is "one hundred forty-three million, two hundred twenty thousand, thirty-four".

Divisors: 1 2 23 46 241 482 5543 11086 12919 25838 297137 594274 3113479 6226958 71610017 143220034