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34147345 = 510216689
BaseRepresentation
bin1000001001000…
…0110000010001
32101020212100111
42002100300101
532220203340
63215521321
7563150641
oct202206021
971225314
1034147345
1118303451
12b529241
1370c793b
14476c521
152ee7aea
hex2090c11

34147345 has 8 divisors (see below), whose sum is σ = 41023080. Its totient is φ = 27287040.

The previous prime is 34147331. The next prime is 34147349. The reversal of 34147345 is 54374143.

It can be written as a sum of positive squares in 4 ways, for example, as 9217296 + 24930049 = 3036^2 + 4993^2 .

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

It is not a de Polignac number, because 34147345 - 211 = 34145297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34147349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1761 + ... + 8449.

It is an arithmetic number, because the mean of its divisors is an integer number (5127885).

Almost surely, 234147345 is an apocalyptic number.

It is an amenable number.

34147345 is a deficient number, since it is larger than the sum of its proper divisors (6875735).

34147345 is a wasteful number, since it uses less digits than its factorization.

34147345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7715.

The product of its digits is 20160, while the sum is 31.

The square root of 34147345 is about 5843.5729652328. The cubic root of 34147345 is about 324.4284867058.

The spelling of 34147345 in words is "thirty-four million, one hundred forty-seven thousand, three hundred forty-five".

Divisors: 1 5 1021 5105 6689 33445 6829469 34147345