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143422302 = 23171406101
BaseRepresentation
bin10001000110001…
…11001101011110
3100222212121102010
420203013031132
5243204003202
622122012050
73361032552
oct1043071536
9328777363
10143422302
1173a5a331
1240047026
1323937c8a
1415095862
15c8d076c
hex88c735e

143422302 has 16 divisors (see below), whose sum is σ = 303718032. Its totient is φ = 44995200.

The previous prime is 143422289. The next prime is 143422303. The reversal of 143422302 is 203224341.

143422302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143422303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702949 + ... + 703152.

It is an arithmetic number, because the mean of its divisors is an integer number (18982377).

Almost surely, 2143422302 is an apocalyptic number.

143422302 is an abundant number, since it is smaller than the sum of its proper divisors (160295730).

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

143422302 is a wasteful number, since it uses less digits than its factorization.

143422302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406123.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 143422302 is about 11975.9050597439. The cubic root of 143422302 is about 523.4464148603.

Adding to 143422302 its reverse (203224341), we get a palindrome (346646643).

The spelling of 143422302 in words is "one hundred forty-three million, four hundred twenty-two thousand, three hundred two".

Divisors: 1 2 3 6 17 34 51 102 1406101 2812202 4218303 8436606 23903717 47807434 71711151 143422302