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34240745 = 571188937
BaseRepresentation
bin1000001010011…
…1100011101001
32101102121110202
42002213203221
532231200440
63221521545
7564020150
oct202474351
971377422
1034240745
1118367640
12b5732b5
13712b2c6
144794597
153015615
hex20a78e9

34240745 has 16 divisors (see below), whose sum is σ = 51228288. Its totient is φ = 21344640.

The previous prime is 34240727. The next prime is 34240747. The reversal of 34240745 is 54704243.

It is not a de Polignac number, because 34240745 - 26 = 34240681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34240747) 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, 44084 + ... + 44853.

It is an arithmetic number, because the mean of its divisors is an integer number (3201768).

Almost surely, 234240745 is an apocalyptic number.

34240745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34240745 is a deficient number, since it is larger than the sum of its proper divisors (16987543).

34240745 is a wasteful number, since it uses less digits than its factorization.

34240745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88960.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 34240745 is about 5851.5591939243. The cubic root of 34240745 is about 324.7240102720.

Adding to 34240745 its reverse (54704243), we get a palindrome (88944988).

The spelling of 34240745 in words is "thirty-four million, two hundred forty thousand, seven hundred forty-five".

Divisors: 1 5 7 11 35 55 77 385 88937 444685 622559 978307 3112795 4891535 6848149 34240745