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34289143 = 74898449
BaseRepresentation
bin1000001011001…
…1010111110111
32101112001212021
42002303113313
532234223033
63222534011
7564311230
oct202632767
971461767
1034289143
111839aa39
12b597307
137147345
1447a8087
153024b2d
hex20b35f7

34289143 has 4 divisors (see below), whose sum is σ = 39187600. Its totient is φ = 29390688.

The previous prime is 34289141. The next prime is 34289147. The reversal of 34289143 is 34198243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34289143 - 21 = 34289141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34289099 and 34289108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34289141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2449218 + ... + 2449231.

It is an arithmetic number, because the mean of its divisors is an integer number (9796900).

Almost surely, 234289143 is an apocalyptic number.

34289143 is a deficient number, since it is larger than the sum of its proper divisors (4898457).

34289143 is an equidigital number, since it uses as much as digits as its factorization.

34289143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4898456.

The product of its digits is 20736, while the sum is 34.

The square root of 34289143 is about 5855.6932125923. The cubic root of 34289143 is about 324.8769332863.

The spelling of 34289143 in words is "thirty-four million, two hundred eighty-nine thousand, one hundred forty-three".

Divisors: 1 7 4898449 34289143