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34210745 = 56842149
BaseRepresentation
bin1000001010000…
…0001110111001
32101101002022122
42002200032321
532224220440
63221131025
7563533532
oct202401671
971332278
1034210745
1118347048
12b559a75
13711a75a
144787689
15300b7b5
hex20a03b9

34210745 has 4 divisors (see below), whose sum is σ = 41052900. Its totient is φ = 27368592.

The previous prime is 34210741. The next prime is 34210747. The reversal of 34210745 is 54701243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54701243 = 130341981.

It can be written as a sum of positive squares in 2 ways, for example, as 7295401 + 26915344 = 2701^2 + 5188^2 .

It is a cyclic number.

It is not a de Polignac number, because 34210745 - 22 = 34210741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34210741) 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, 3421070 + ... + 3421079.

It is an arithmetic number, because the mean of its divisors is an integer number (10263225).

Almost surely, 234210745 is an apocalyptic number.

It is an amenable number.

34210745 is a deficient number, since it is larger than the sum of its proper divisors (6842155).

34210745 is an equidigital number, since it uses as much as digits as its factorization.

34210745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842154.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 34210745 is about 5848.9952128549. The cubic root of 34210745 is about 324.6291470055.

Adding to 34210745 its reverse (54701243), we get a palindrome (88911988).

The spelling of 34210745 in words is "thirty-four million, two hundred ten thousand, seven hundred forty-five".

Divisors: 1 5 6842149 34210745