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143001340 = 22522931223
BaseRepresentation
bin10001000011000…
…00011011111100
3100222002012221221
420201200123330
5243102020330
622105003124
73354330346
oct1041403374
9328065857
10143001340
11737a2029
123ba834a4
132381b4a1
1414dc6296
15c84ab7a
hex88606fc

143001340 has 24 divisors (see below), whose sum is σ = 301623840. Its totient is φ = 56948928.

The previous prime is 143001323. The next prime is 143001343. The reversal of 143001340 is 43100341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143001343) 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, 11032 + ... + 20191.

It is an arithmetic number, because the mean of its divisors is an integer number (12567660).

Almost surely, 2143001340 is an apocalyptic number.

143001340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143001340 is an abundant number, since it is smaller than the sum of its proper divisors (158622500).

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

143001340 is a wasteful number, since it uses less digits than its factorization.

143001340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31461 (or 31459 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 143001340 is about 11958.3167711848. The cubic root of 143001340 is about 522.9337865716.

Adding to 143001340 its reverse (43100341), we get a palindrome (186101681).

Subtracting from 143001340 its reverse (43100341), we obtain a palindrome (99900999).

It can be divided in two parts, 143001 and 340, that added together give a palindrome (143341).

The spelling of 143001340 in words is "one hundred forty-three million, one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 229 458 916 1145 2290 4580 31223 62446 124892 156115 312230 624460 7150067 14300134 28600268 35750335 71500670 143001340