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34398289 = 149230861
BaseRepresentation
bin1000001100111…
…0000001010001
32101201121120201
42003032001101
532301221124
63225135201
7565244362
oct203160121
971647521
1034398289
1118464a42
12b62a501
137184c23
1447d5b69
153047144
hex20ce051

34398289 has 4 divisors (see below), whose sum is σ = 34629300. Its totient is φ = 34167280.

The previous prime is 34398283. The next prime is 34398311. The reversal of 34398289 is 98289343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98289343 = 601163543.

It can be written as a sum of positive squares in 2 ways, for example, as 4060225 + 30338064 = 2015^2 + 5508^2 .

It is a cyclic number.

It is not a de Polignac number, because 34398289 - 215 = 34365521 is a prime.

It is a super-2 number, since 2×343982892 = 2366484572255042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34398283) 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, 115282 + ... + 115579.

It is an arithmetic number, because the mean of its divisors is an integer number (8657325).

Almost surely, 234398289 is an apocalyptic number.

It is an amenable number.

34398289 is a deficient number, since it is larger than the sum of its proper divisors (231011).

34398289 is a wasteful number, since it uses less digits than its factorization.

34398289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231010.

The product of its digits is 373248, while the sum is 46.

The square root of 34398289 is about 5865.0054560929. The cubic root of 34398289 is about 325.2212741648.

The spelling of 34398289 in words is "thirty-four million, three hundred ninety-eight thousand, two hundred eighty-nine".

Divisors: 1 149 230861 34398289