Base | Representation |
---|---|
bin | 110100010010… |
… | …111100011101 |
3 | 221210111022220 |
4 | 310102330131 |
5 | 12002142320 |
6 | 1205455553 |
7 | 224345115 |
oct | 64227435 |
9 | 27714286 |
10 | 13709085 |
11 | 7813925 |
12 | 47115b9 |
13 | 2abcbb0 |
14 | 1b6c045 |
15 | 130be40 |
hex | d12f1d |
13709085 has 32 divisors (see below), whose sum is σ = 23802240. Its totient is φ = 6697728.
The previous prime is 13709057. The next prime is 13709117. The reversal of 13709085 is 58090731.
It is not a de Polignac number, because 13709085 - 28 = 13708829 is a prime.
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 in 31 ways as a sum of consecutive naturals, for example, 44502 + ... + 44808.
It is an arithmetic number, because the mean of its divisors is an integer number (743820).
Almost surely, 213709085 is an apocalyptic number.
13709085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13709085 is a deficient number, since it is larger than the sum of its proper divisors (10093155).
13709085 is a wasteful number, since it uses less digits than its factorization.
13709085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 557.
The product of its (nonzero) digits is 7560, while the sum is 33.
The square root of 13709085 is about 3702.5781558260. The cubic root of 13709085 is about 239.3331313811. Note that the first 3 decimals are identical.
The spelling of 13709085 in words is "thirteen million, seven hundred nine thousand, eighty-five".
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