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34210445 = 59770537
BaseRepresentation
bin1000001010000…
…0001010001101
32101101001220112
42002200022031
532224213240
63221125405
7563532623
oct202401215
971331815
1034210445
11183468a5
12b559865
13711a589
144787513
15300b665
hex20a028d

34210445 has 8 divisors (see below), whose sum is σ = 41476344. Its totient is φ = 27085824.

The previous prime is 34210433. The next prime is 34210471. The reversal of 34210445 is 54401243.

Adding to 34210445 its reverse (54401243), we get a palindrome (88611688).

It can be written as a sum of positive squares in 4 ways, for example, as 10259209 + 23951236 = 3203^2 + 4894^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 34210445 - 26 = 34210381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34210445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34784 + ... + 35753.

It is an arithmetic number, because the mean of its divisors is an integer number (5184543).

Almost surely, 234210445 is an apocalyptic number.

It is an amenable number.

34210445 is a deficient number, since it is larger than the sum of its proper divisors (7265899).

34210445 is an equidigital number, since it uses as much as digits as its factorization.

34210445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70639.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 34210445 is about 5848.9695673683. The cubic root of 34210445 is about 324.6281980928.

The spelling of 34210445 in words is "thirty-four million, two hundred ten thousand, four hundred forty-five".

Divisors: 1 5 97 485 70537 352685 6842089 34210445