Base | Representation |
---|---|
bin | 110100101001… |
… | …110101111000 |
3 | 221222020222111 |
4 | 310221311320 |
5 | 12013142442 |
6 | 1211502104 |
7 | 225215416 |
oct | 64516570 |
9 | 27866874 |
10 | 13802872 |
11 | 7878336 |
12 | 4757934 |
13 | 2b237a5 |
14 | 1b942b6 |
15 | 1329b17 |
hex | d29d78 |
13802872 has 8 divisors (see below), whose sum is σ = 25880400. Its totient is φ = 6901432.
The previous prime is 13802863. The next prime is 13802891. The reversal of 13802872 is 27820831.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 862672 + ... + 862687.
It is an arithmetic number, because the mean of its divisors is an integer number (3235050).
Almost surely, 213802872 is an apocalyptic number.
It is an amenable number.
13802872 is a deficient number, since it is larger than the sum of its proper divisors (12077528).
13802872 is a wasteful number, since it uses less digits than its factorization.
13802872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1725365 (or 1725361 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 31.
The square root of 13802872 is about 3715.2216622969. The cubic root of 13802872 is about 239.8776691386.
The spelling of 13802872 in words is "thirteen million, eight hundred two thousand, eight hundred seventy-two".
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