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34857539 is a prime number
BaseRepresentation
bin1000010011111…
…0001001000011
32102120221112222
42010332021003
532410420124
63243041255
7602166323
oct204761103
972527488
1034857539
1118748a92
12b81022b
1372b5c82
1448b5283
1530d825e
hex213e243

34857539 has 2 divisors, whose sum is σ = 34857540. Its totient is φ = 34857538.

The previous prime is 34857527. The next prime is 34857541. The reversal of 34857539 is 93575843.

It is a strong prime.

It is an emirp because it is prime and its reverse (93575843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34857539 - 220 = 33808963 is a prime.

Together with 34857541, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34857539.

It is not a weakly prime, because it can be changed into another prime (34857139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17428769 + 17428770.

It is an arithmetic number, because the mean of its divisors is an integer number (17428770).

Almost surely, 234857539 is an apocalyptic number.

34857539 is a deficient number, since it is larger than the sum of its proper divisors (1).

34857539 is an equidigital number, since it uses as much as digits as its factorization.

34857539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 44.

The square root of 34857539 is about 5904.0273542727. The cubic root of 34857539 is about 326.6622185752.

The spelling of 34857539 in words is "thirty-four million, eight hundred fifty-seven thousand, five hundred thirty-nine".