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34384161 = 378319727
BaseRepresentation
bin1000001100101…
…0100100100001
32101200220012110
42003022210201
532300243121
63224545533
7565155240
oct203124441
971626173
1034384161
1118455369
12b6222a9
13717b676
1447d0957
153042d76
hex20ca921

34384161 has 16 divisors (see below), whose sum is σ = 53028864. Its totient is φ = 19410384.

The previous prime is 34384157. The next prime is 34384187. The reversal of 34384161 is 16148343.

It is not a de Polignac number, because 34384161 - 22 = 34384157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34384061) 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, 8121 + ... + 11606.

It is an arithmetic number, because the mean of its divisors is an integer number (3314304).

Almost surely, 234384161 is an apocalyptic number.

It is an amenable number.

34384161 is a deficient number, since it is larger than the sum of its proper divisors (18644703).

34384161 is a wasteful number, since it uses less digits than its factorization.

34384161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19820.

The product of its digits is 6912, while the sum is 30.

The square root of 34384161 is about 5863.8009004399. The cubic root of 34384161 is about 325.1767433128.

The spelling of 34384161 in words is "thirty-four million, three hundred eighty-four thousand, one hundred sixty-one".

Divisors: 1 3 7 21 83 249 581 1743 19727 59181 138089 414267 1637341 4912023 11461387 34384161