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34909139 = 53658663
BaseRepresentation
bin1000010100101…
…0101111010011
32102200120100002
42011022233103
532414043024
63244120215
7602502626
oct205125723
972616302
1034909139
1118783831
12b83606b
1373035c5
1448c9dbd
1530e86ae
hex214abd3

34909139 has 4 divisors (see below), whose sum is σ = 35567856. Its totient is φ = 34250424.

The previous prime is 34909129. The next prime is 34909153. The reversal of 34909139 is 93190943.

34909139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34909139 - 24 = 34909123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34909129) 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 in 3 ways as a sum of consecutive naturals, for example, 329279 + ... + 329384.

It is an arithmetic number, because the mean of its divisors is an integer number (8891964).

Almost surely, 234909139 is an apocalyptic number.

34909139 is a deficient number, since it is larger than the sum of its proper divisors (658717).

34909139 is an equidigital number, since it uses as much as digits as its factorization.

34909139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658716.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 34909139 is about 5908.3956367190. The cubic root of 34909139 is about 326.8233263349.

The spelling of 34909139 in words is "thirty-four million, nine hundred nine thousand, one hundred thirty-nine".

Divisors: 1 53 658663 34909139