Base | Representation |
---|---|
bin | 110010000011… |
… | …001111101110 |
3 | 220200120221020 |
4 | 302003033232 |
5 | 11324323434 |
6 | 1145115010 |
7 | 216344112 |
oct | 62031756 |
9 | 26616836 |
10 | 13120494 |
11 | 7451692 |
12 | 4488a66 |
13 | 294500a |
14 | 1a57742 |
15 | 1242849 |
hex | c833ee |
13120494 has 16 divisors (see below), whose sum is σ = 26303232. Its totient is φ = 4363128.
The previous prime is 13120489. The next prime is 13120517. The reversal of 13120494 is 49402131.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417 + ... + 5139.
It is an arithmetic number, because the mean of its divisors is an integer number (1643952).
Almost surely, 213120494 is an apocalyptic number.
13120494 is an abundant number, since it is smaller than the sum of its proper divisors (13182738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13120494 is a wasteful number, since it uses less digits than its factorization.
13120494 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5191.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 13120494 is about 3622.2222460804. Note that the first 4 decimals coincide. The cubic root of 13120494 is about 235.8577017304.
The spelling of 13120494 in words is "thirteen million, one hundred twenty thousand, four hundred ninety-four".
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