Base | Representation |
---|---|
bin | 110100011010… |
… | …001110111010 |
3 | 221212000021120 |
4 | 310122032322 |
5 | 12004121223 |
6 | 1210250110 |
7 | 224531133 |
oct | 64321672 |
9 | 27760246 |
10 | 13738938 |
11 | 78342a4 |
12 | 4726936 |
13 | 2b00665 |
14 | 1b78c8a |
15 | 1315be3 |
hex | d1a3ba |
13738938 has 24 divisors (see below), whose sum is σ = 29004768. Its totient is φ = 4337928.
The previous prime is 13738937. The next prime is 13738939. The reversal of 13738938 is 83983731.
It is an interprime number because it is at equal distance from previous prime (13738937) and next prime (13738939).
It is a self number, because there is not a number n which added to its sum of digits gives 13738938.
It is not an unprimeable number, because it can be changed into a prime (13738931) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 1006 + ... + 5337.
It is an arithmetic number, because the mean of its divisors is an integer number (1208532).
Almost surely, 213738938 is an apocalyptic number.
13738938 is an abundant number, since it is smaller than the sum of its proper divisors (15265830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13738938 is a wasteful number, since it uses less digits than its factorization.
13738938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6386 (or 6367 counting only the distinct ones).
The product of its digits is 108864, while the sum is 42.
The square root of 13738938 is about 3706.6073436500. The cubic root of 13738938 is about 239.5067299361.
The spelling of 13738938 in words is "thirteen million, seven hundred thirty-eight thousand, nine hundred thirty-eight".
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