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34709689 = 72708361
BaseRepresentation
bin1000010001101…
…0000010111001
32102022102202001
42010122002321
532341202224
63235541001
7601012300
oct204320271
972272661
1034709689
11186579a3
12b75a761
1372638a1
144877437
1530a9544
hex211a0b9

34709689 has 6 divisors (see below), whose sum is σ = 40376634. Its totient is φ = 29751120.

The previous prime is 34709683. The next prime is 34709707. The reversal of 34709689 is 98690743.

It can be written as a sum of positive squares in only one way, i.e., 25050025 + 9659664 = 5005^2 + 3108^2 .

It is not a de Polignac number, because 34709689 - 29 = 34709177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34709683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 354132 + ... + 354229.

It is an arithmetic number, because the mean of its divisors is an integer number (6729439).

Almost surely, 234709689 is an apocalyptic number.

It is an amenable number.

34709689 is a deficient number, since it is larger than the sum of its proper divisors (5666945).

34709689 is an equidigital number, since it uses as much as digits as its factorization.

34709689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708375 (or 708368 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 34709689 is about 5891.4929347322. The cubic root of 34709689 is about 326.1997126487.

The spelling of 34709689 in words is "thirty-four million, seven hundred nine thousand, six hundred eighty-nine".

Divisors: 1 7 49 708361 4958527 34709689