Base | Representation |
---|---|
bin | 101000011101… |
… | …010101010101 |
3 | 201221211120110 |
4 | 220131111111 |
5 | 10203342114 |
6 | 1015153233 |
7 | 156102006 |
oct | 50352525 |
9 | 21854513 |
10 | 10605909 |
11 | 5a94416 |
12 | 3675819 |
13 | 22745b2 |
14 | 15a11ad |
15 | de7759 |
hex | a1d555 |
10605909 has 32 divisors (see below), whose sum is σ = 15863040. Its totient is φ = 6272000.
The previous prime is 10605901. The next prime is 10605913. The reversal of 10605909 is 90950601.
10605909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 10605909 - 23 = 10605901 is a prime.
It is a super-2 number, since 2×106059092 = 224970611432562, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10605901) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104959 + ... + 105059.
It is an arithmetic number, because the mean of its divisors is an integer number (495720).
Almost surely, 210605909 is an apocalyptic number.
It is an amenable number.
10605909 is a deficient number, since it is larger than the sum of its proper divisors (5257131).
10605909 is a wasteful number, since it uses less digits than its factorization.
10605909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 221.
The product of its (nonzero) digits is 2430, while the sum is 30.
The square root of 10605909 is about 3256.6714602489. The cubic root of 10605909 is about 219.7097342747.
The spelling of 10605909 in words is "ten million, six hundred five thousand, nine hundred nine".
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