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34959989 = 43813023
BaseRepresentation
bin1000010101011…
…1001001110101
32102210011002102
42011113021311
532422204424
63245151445
7603104111
oct205271165
972704072
1034959989
1118808a59
12b85b585
1373207ac
144900741
1531087ae
hex2157275

34959989 has 4 divisors (see below), whose sum is σ = 35773056. Its totient is φ = 34146924.

The previous prime is 34959983. The next prime is 34960021. The reversal of 34959989 is 98995943.

34959989 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98995943 = 787125789.

It is a cyclic number.

It is not a de Polignac number, because 34959989 - 28 = 34959733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34959983) 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, 406469 + ... + 406554.

It is an arithmetic number, because the mean of its divisors is an integer number (8943264).

Almost surely, 234959989 is an apocalyptic number.

It is an amenable number.

34959989 is a deficient number, since it is larger than the sum of its proper divisors (813067).

34959989 is an equidigital number, since it uses as much as digits as its factorization.

34959989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813066.

The product of its digits is 3149280, while the sum is 56.

The square root of 34959989 is about 5912.6972694363. The cubic root of 34959989 is about 326.9819371731.

The spelling of 34959989 in words is "thirty-four million, nine hundred fifty-nine thousand, nine hundred eighty-nine".

Divisors: 1 43 813023 34959989