Base | Representation |
---|---|
bin | 110101010011… |
… | …101110100110 |
3 | 222021222022210 |
4 | 311103232212 |
5 | 12034140223 |
6 | 1215304250 |
7 | 226531542 |
oct | 65235646 |
9 | 28258283 |
10 | 13974438 |
11 | 7985225 |
12 | 481b086 |
13 | 2b838ca |
14 | 1bdaa22 |
15 | 1360893 |
hex | d53ba6 |
13974438 has 8 divisors (see below), whose sum is σ = 27948888. Its totient is φ = 4658144.
The previous prime is 13974437. The next prime is 13974451. The reversal of 13974438 is 83447931.
It is a sphenic number, since it is the product of 3 distinct primes.
13974438 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 13974396 and 13974405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13974437) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164531 + ... + 1164542.
It is an arithmetic number, because the mean of its divisors is an integer number (3493611).
Almost surely, 213974438 is an apocalyptic number.
13974438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13974438 is a wasteful number, since it uses less digits than its factorization.
13974438 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2329078.
The product of its digits is 72576, while the sum is 39.
The square root of 13974438 is about 3738.2399601952. The cubic root of 13974438 is about 240.8674512021.
The spelling of 13974438 in words is "thirteen million, nine hundred seventy-four thousand, four hundred thirty-eight".
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