Base | Representation |
---|---|
bin | 100111101101110100001 |
3 | 2110010012100 |
4 | 10331232201 |
5 | 313121114 |
6 | 43521013 |
7 | 14030124 |
oct | 4755641 |
9 | 2403170 |
10 | 1301409 |
11 | 80984a |
12 | 529169 |
13 | 367485 |
14 | 25c3bb |
15 | 1aa909 |
hex | 13dba1 |
1301409 has 12 divisors (see below), whose sum is σ = 1961856. Its totient is φ = 829752.
The previous prime is 1301393. The next prime is 1301413. The reversal of 1301409 is 9041031.
It is not a de Polignac number, because 1301409 - 24 = 1301393 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1301391 and 1301400.
It is not an unprimeable number, because it can be changed into a prime (1301459) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2937 + ... + 3350.
It is an arithmetic number, because the mean of its divisors is an integer number (163488).
21301409 is an apocalyptic number.
It is an amenable number.
1301409 is a deficient number, since it is larger than the sum of its proper divisors (660447).
1301409 is a wasteful number, since it uses less digits than its factorization.
1301409 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6316 (or 6313 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 1301409 is about 1140.7931451407. The cubic root of 1301409 is about 109.1787041353.
The spelling of 1301409 in words is "one million, three hundred one thousand, four hundred nine".
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