Base | Representation |
---|---|
bin | 110101010001… |
… | …100101010000 |
3 | 222021112021020 |
4 | 311101211100 |
5 | 12033400043 |
6 | 1215155440 |
7 | 226464114 |
oct | 65214520 |
9 | 28245236 |
10 | 13965648 |
11 | 7979664 |
12 | 4815b80 |
13 | 2b7c8c8 |
14 | 1bd7744 |
15 | 135ce83 |
hex | d51950 |
13965648 has 40 divisors (see below), whose sum is σ = 36369696. Its totient is φ = 4617600.
The previous prime is 13965647. The next prime is 13965649. The reversal of 13965648 is 84656931.
It is an interprime number because it is at equal distance from previous prime (13965647) and next prime (13965649).
It is a super-3 number, since 3×139656483 (a number of 22 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13965641) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5178 + ... + 7398.
Almost surely, 213965648 is an apocalyptic number.
It is an amenable number.
13965648 is an abundant number, since it is smaller than the sum of its proper divisors (22404048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13965648 is a wasteful number, since it uses less digits than its factorization.
13965648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2363 (or 2357 counting only the distinct ones).
The product of its digits is 155520, while the sum is 42.
The square root of 13965648 is about 3737.0640882918. The cubic root of 13965648 is about 240.8169382831.
The spelling of 13965648 in words is "thirteen million, nine hundred sixty-five thousand, six hundred forty-eight".
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