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34128849 = 323494621
BaseRepresentation
bin1000001000110…
…0001111010001
32101012220222110
42002030033101
532214110344
63215255533
7563043006
oct202141721
971186873
1034128849
11182a0567
12b51a5a9
1370bc3b1
1447658ad
152ee23b9
hex208c3d1

34128849 has 8 divisors (see below), whose sum is σ = 47483712. Its totient is φ = 21763280.

The previous prime is 34128847. The next prime is 34128859. The reversal of 34128849 is 94882143.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34128849 - 21 = 34128847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34128841) 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, 247242 + ... + 247379.

It is an arithmetic number, because the mean of its divisors is an integer number (5935464).

Almost surely, 234128849 is an apocalyptic number.

It is an amenable number.

34128849 is a deficient number, since it is larger than the sum of its proper divisors (13354863).

34128849 is a wasteful number, since it uses less digits than its factorization.

34128849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494647.

The product of its digits is 55296, while the sum is 39.

The square root of 34128849 is about 5841.9901574720. The cubic root of 34128849 is about 324.3699002766.

The spelling of 34128849 in words is "thirty-four million, one hundred twenty-eight thousand, eight hundred forty-nine".

Divisors: 1 3 23 69 494621 1483863 11376283 34128849