Search a number
-
+
34023145 = 513523433
BaseRepresentation
bin1000000111001…
…0011011101001
32101000112222111
42001302123221
532202220040
63213122321
7562122562
oct201623351
971015874
1034023145
1118229102
12b4893a1
137083250
144739169
152ec0dea
hex20726e9

34023145 has 8 divisors (see below), whose sum is σ = 43968456. Its totient is φ = 25124736.

The previous prime is 34023139. The next prime is 34023149. The reversal of 34023145 is 54132043.

It can be written as a sum of positive squares in 4 ways, for example, as 660969 + 33362176 = 813^2 + 5776^2 .

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

It is not a de Polignac number, because 34023145 - 215 = 33990377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34023149) 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, 261652 + ... + 261781.

It is an arithmetic number, because the mean of its divisors is an integer number (5496057).

Almost surely, 234023145 is an apocalyptic number.

It is an amenable number.

34023145 is a deficient number, since it is larger than the sum of its proper divisors (9945311).

34023145 is a wasteful number, since it uses less digits than its factorization.

34023145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523451.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 34023145 is about 5832.9362245785. The cubic root of 34023145 is about 324.0346740567.

Adding to 34023145 its reverse (54132043), we get a palindrome (88155188).

The spelling of 34023145 in words is "thirty-four million, twenty-three thousand, one hundred forty-five".

Divisors: 1 5 13 65 523433 2617165 6804629 34023145