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143434340 = 22575471873
BaseRepresentation
bin10001000110010…
…10001001100100
3100222220012220222
420203022021210
5243204344330
622122143512
73361112630
oct1043121144
9328805828
10143434340
1173a68385
1240051b98
13239405ba
1415099dc0
15c8d40e5
hex88ca264

143434340 has 48 divisors (see below), whose sum is σ = 345055872. Its totient is φ = 49061376.

The previous prime is 143434339. The next prime is 143434349. The reversal of 143434340 is 43434341.

It is not an unprimeable number, because it can be changed into a prime (143434349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75644 + ... + 77516.

It is an arithmetic number, because the mean of its divisors is an integer number (7188664).

Almost surely, 2143434340 is an apocalyptic number.

143434340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143434340 is an abundant number, since it is smaller than the sum of its proper divisors (201621532).

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

143434340 is a wasteful number, since it uses less digits than its factorization.

143434340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436 (or 2434 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 143434340 is about 11976.4076416929. The cubic root of 143434340 is about 523.4610594252.

Adding to 143434340 its reverse (43434341), we get a palindrome (186868681).

Subtracting from 143434340 its reverse (43434341), we obtain a palindrome (99999999).

The spelling of 143434340 in words is "one hundred forty-three million, four hundred thirty-four thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 547 1094 1873 2188 2735 3746 3829 5470 7492 7658 9365 10940 13111 15316 18730 19145 26222 37460 38290 52444 65555 76580 131110 262220 1024531 2049062 4098124 5122655 7171717 10245310 14343434 20490620 28686868 35858585 71717170 143434340