Base | Representation |
---|---|
bin | 110000111110… |
… | …011100110110 |
3 | 220011021101210 |
4 | 300332130312 |
5 | 11241314320 |
6 | 1135102250 |
7 | 214061433 |
oct | 60763466 |
9 | 26137353 |
10 | 12838710 |
11 | 7279a05 |
12 | 4371986 |
13 | 2876991 |
14 | 19c2b8a |
15 | 11d90e0 |
hex | c3e736 |
12838710 has 16 divisors (see below), whose sum is σ = 30812976. Its totient is φ = 3423648.
The previous prime is 12838691. The next prime is 12838733. The reversal of 12838710 is 1783821.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 427957 = 12838710 / (1 + 2 + 8 + 3 + 8 + 7 + 1 + 0).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213949 + ... + 214008.
It is an arithmetic number, because the mean of its divisors is an integer number (1925811).
Almost surely, 212838710 is an apocalyptic number.
12838710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12838710 is an abundant number, since it is smaller than the sum of its proper divisors (17974266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12838710 is a wasteful number, since it uses less digits than its factorization.
12838710 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 427967.
The product of its (nonzero) digits is 2688, while the sum is 30.
The square root of 12838710 is about 3583.1145669654. The cubic root of 12838710 is about 234.1569915893.
The spelling of 12838710 in words is "twelve million, eight hundred thirty-eight thousand, seven hundred ten".
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