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34909531 is a prime number
BaseRepresentation
bin1000010100101…
…0110101011011
32102200120212121
42011022311123
532414101111
63244122111
7602504026
oct205126533
972616777
1034909531
1118784058
12b836337
137303837
1448ca1bd
1530e8871
hex214ad5b

34909531 has 2 divisors, whose sum is σ = 34909532. Its totient is φ = 34909530.

The previous prime is 34909529. The next prime is 34909543. The reversal of 34909531 is 13590943.

34909531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34909531 - 21 = 34909529 is a prime.

It is a super-2 number, since 2×349095312 = 2437350709279922, which contains 22 as substring.

Together with 34909529, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (34909571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17454765 + 17454766.

It is an arithmetic number, because the mean of its divisors is an integer number (17454766).

Almost surely, 234909531 is an apocalyptic number.

34909531 is a deficient number, since it is larger than the sum of its proper divisors (1).

34909531 is an equidigital number, since it uses as much as digits as its factorization.

34909531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 34909531 is about 5908.4288097598. The cubic root of 34909531 is about 326.8245496465.

The spelling of 34909531 in words is "thirty-four million, nine hundred nine thousand, five hundred thirty-one".