Base | Representation |
---|---|
bin | 1000010101111… |
… | …0010000110101 |
3 | 2102211122000221 |
4 | 2011132100311 |
5 | 32424122414 |
6 | 3245534341 |
7 | 603255031 |
oct | 205362065 |
9 | 72748027 |
10 | 34989109 |
11 | 18828921 |
12 | b8743b1 |
13 | 7330b1c |
14 | 490b1c1 |
15 | 3112224 |
hex | 215e435 |
34989109 has 8 divisors (see below), whose sum is σ = 36531000. Its totient is φ = 33469632.
The previous prime is 34989079. The next prime is 34989121. The reversal of 34989109 is 90198943.
It can be written as a sum of positive squares in 4 ways, for example, as 2464900 + 32524209 = 1570^2 + 5703^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 34989109 - 211 = 34987061 is a prime.
It is a super-2 number, since 2×349891092 = 2448475497227762, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34989709) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2374 + ... + 8695.
It is an arithmetic number, because the mean of its divisors is an integer number (4566375).
Almost surely, 234989109 is an apocalyptic number.
It is an amenable number.
34989109 is a deficient number, since it is larger than the sum of its proper divisors (1541891).
34989109 is a wasteful number, since it uses less digits than its factorization.
34989109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11207.
The product of its (nonzero) digits is 69984, while the sum is 43.
The square root of 34989109 is about 5915.1592539846. The cubic root of 34989109 is about 327.0726987531.
The spelling of 34989109 in words is "thirty-four million, nine hundred eighty-nine thousand, one hundred nine".
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