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34207913 is a prime number
BaseRepresentation
bin1000001001111…
…1100010101001
32101100221102202
42002133202221
532224123123
63221105545
7563522345
oct202374251
971327382
1034207913
1118344a03
12b5582b5
13711938c
144786625
15300aa28
hex209f8a9

34207913 has 2 divisors, whose sum is σ = 34207914. Its totient is φ = 34207912.

The previous prime is 34207903. The next prime is 34207939. The reversal of 34207913 is 31970243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32171584 + 2036329 = 5672^2 + 1427^2 .

It is an emirp because it is prime and its reverse (31970243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34207913 - 24 = 34207897 is a prime.

It is not a weakly prime, because it can be changed into another prime (34207903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17103956 + 17103957.

It is an arithmetic number, because the mean of its divisors is an integer number (17103957).

Almost surely, 234207913 is an apocalyptic number.

It is an amenable number.

34207913 is a deficient number, since it is larger than the sum of its proper divisors (1).

34207913 is an equidigital number, since it uses as much as digits as its factorization.

34207913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 34207913 is about 5848.7531149810. The cubic root of 34207913 is about 324.6201890488.

Subtracting from 34207913 its reverse (31970243), we obtain a triangular number (2237670 = T2115).

The spelling of 34207913 in words is "thirty-four million, two hundred seven thousand, nine hundred thirteen".