Base | Representation |
---|---|
bin | 110001110111… |
… | …110101111100 |
3 | 220121012212101 |
4 | 301313311330 |
5 | 11321330123 |
6 | 1144114444 |
7 | 216061000 |
oct | 61676574 |
9 | 26535771 |
10 | 13073788 |
11 | 741a592 |
12 | 4465a24 |
13 | 2929990 |
14 | 1a44700 |
15 | 1233aad |
hex | c77d7c |
13073788 has 48 divisors (see below), whose sum is σ = 28772800. Its totient is φ = 5164992.
The previous prime is 13073779. The next prime is 13073791. The reversal of 13073788 is 88737031.
It is a plaindrome in base 15.
It is a zygodrome in base 6.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17470 + ... + 18202.
Almost surely, 213073788 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13073788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14386400).
13073788 is an abundant number, since it is smaller than the sum of its proper divisors (15699012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13073788 is a wasteful number, since it uses less digits than its factorization.
13073788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 771 (or 755 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 37.
The square root of 13073788 is about 3615.7693510510. The cubic root of 13073788 is about 235.5775022403.
It can be divided in two parts, 13073 and 788, that added together give a triangular number (13861 = T166).
The spelling of 13073788 in words is "thirteen million, seventy-three thousand, seven hundred eighty-eight".
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