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143420341 = 19232911317
BaseRepresentation
bin10001000110001…
…10101110110101
3100222212111201111
420203012232311
5243203422331
622121555021
73361024051
oct1043065665
9328774644
10143420341
1173a58909
1240045a71
132393710c
1415094c61
15c8cedb1
hex88c6bb5

143420341 has 16 divisors (see below), whose sum is σ = 162979200. Its totient is φ = 125471808.

The previous prime is 143420323. The next prime is 143420357. The reversal of 143420341 is 143024341.

143420341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 143420341 - 213 = 143412149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143420311) 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, 7015 + ... + 18331.

It is an arithmetic number, because the mean of its divisors is an integer number (10186200).

Almost surely, 2143420341 is an apocalyptic number.

It is an amenable number.

143420341 is a deficient number, since it is larger than the sum of its proper divisors (19558859).

143420341 is a wasteful number, since it uses less digits than its factorization.

143420341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11388.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 143420341 is about 11975.8231867375. The cubic root of 143420341 is about 523.4440291711. Note that the first 3 decimals are identical.

Adding to 143420341 its reverse (143024341), we get a palindrome (286444682).

The spelling of 143420341 in words is "one hundred forty-three million, four hundred twenty thousand, three hundred forty-one".

Divisors: 1 19 23 29 437 551 667 11317 12673 215023 260291 328193 4945529 6235667 7548439 143420341