Base | Representation |
---|---|
bin | 1010011010010010010101 |
3 | 12010122122010 |
4 | 22122102111 |
5 | 1144312414 |
6 | 134254433 |
7 | 32124405 |
oct | 12322225 |
9 | 5118563 |
10 | 2729109 |
11 | 15a4469 |
12 | ab7419 |
13 | 747276 |
14 | 510805 |
15 | 38d959 |
hex | 29a495 |
2729109 has 8 divisors (see below), whose sum is σ = 3661792. Its totient is φ = 1807920.
The previous prime is 2729107. The next prime is 2729113. The reversal of 2729109 is 9019272.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2729109 - 21 = 2729107 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 (2729101) 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, 2302 + ... + 3279.
It is an arithmetic number, because the mean of its divisors is an integer number (457724).
22729109 is an apocalyptic number.
It is an amenable number.
2729109 is a deficient number, since it is larger than the sum of its proper divisors (932683).
2729109 is a wasteful number, since it uses less digits than its factorization.
2729109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5747.
The product of its (nonzero) digits is 2268, while the sum is 30.
The square root of 2729109 is about 1652.0015133165. The cubic root of 2729109 is about 139.7462922095.
The spelling of 2729109 in words is "two million, seven hundred twenty-nine thousand, one hundred nine".
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