Base | Representation |
---|---|
bin | 110100110010… |
… | …111101111110 |
3 | 222001011021000 |
4 | 310302331332 |
5 | 12020342004 |
6 | 1212351130 |
7 | 225432411 |
oct | 64627576 |
9 | 28034230 |
10 | 13840254 |
11 | 78a342a |
12 | 47754a6 |
13 | 2b377cc |
14 | 1ba3b78 |
15 | 1335c39 |
hex | d32f7e |
13840254 has 16 divisors (see below), whose sum is σ = 30756240. Its totient is φ = 4613400.
The previous prime is 13840249. The next prime is 13840271. The reversal of 13840254 is 45204831.
It is a Harshad number since it is a multiple of its sum of digits (27).
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, 128097 + ... + 128204.
It is an arithmetic number, because the mean of its divisors is an integer number (1922265).
Almost surely, 213840254 is an apocalyptic number.
13840254 is an abundant number, since it is smaller than the sum of its proper divisors (16915986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13840254 is a wasteful number, since it uses less digits than its factorization.
13840254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 256312 (or 256306 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 13840254 is about 3720.2491852025. The cubic root of 13840254 is about 240.0940256584.
The spelling of 13840254 in words is "thirteen million, eight hundred forty thousand, two hundred fifty-four".
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