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34038145 = 56807629
BaseRepresentation
bin1000000111011…
…0000110000001
32101001022120001
42001312012001
532203210040
63213320001
7562214401
oct201660601
971038501
1034038145
11182393a9
12b496001
13708a01b
144740801
152ec559a
hex2076181

34038145 has 4 divisors (see below), whose sum is σ = 40845780. Its totient is φ = 27230512.

The previous prime is 34038143. The next prime is 34038157. The reversal of 34038145 is 54183043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54183043 = 479113117.

It can be written as a sum of positive squares in 2 ways, for example, as 13162384 + 20875761 = 3628^2 + 4569^2 .

It is a cyclic number.

It is not a de Polignac number, because 34038145 - 21 = 34038143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34038143) 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, 3403810 + ... + 3403819.

It is an arithmetic number, because the mean of its divisors is an integer number (10211445).

Almost surely, 234038145 is an apocalyptic number.

It is an amenable number.

34038145 is a deficient number, since it is larger than the sum of its proper divisors (6807635).

34038145 is an equidigital number, since it uses as much as digits as its factorization.

34038145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6807634.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 34038145 is about 5834.2218847075. The cubic root of 34038145 is about 324.0822868018.

The spelling of 34038145 in words is "thirty-four million, thirty-eight thousand, one hundred forty-five".

Divisors: 1 5 6807629 34038145