Base | Representation |
---|---|
bin | 110100100010… |
… | …000101001110 |
3 | 221220122101020 |
4 | 310202011032 |
5 | 12011133321 |
6 | 1211055010 |
7 | 225023640 |
oct | 64420516 |
9 | 27818336 |
10 | 13771086 |
11 | 785646a |
12 | 4741466 |
13 | 2b12194 |
14 | 1b86890 |
15 | 13204c6 |
hex | d2214e |
13771086 has 32 divisors (see below), whose sum is σ = 33135360. Its totient is φ = 3727296.
The previous prime is 13771081. The next prime is 13771091. The reversal of 13771086 is 68017731.
It is an interprime number because it is at equal distance from previous prime (13771081) and next prime (13771091).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13771081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7831 + ... + 9426.
It is an arithmetic number, because the mean of its divisors is an integer number (1035480).
Almost surely, 213771086 is an apocalyptic number.
13771086 is an abundant number, since it is smaller than the sum of its proper divisors (19364274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13771086 is a wasteful number, since it uses less digits than its factorization.
13771086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17288.
The product of its (nonzero) digits is 7056, while the sum is 33.
The square root of 13771086 is about 3710.9413899980. The cubic root of 13771086 is about 239.6933931901.
The spelling of 13771086 in words is "thirteen million, seven hundred seventy-one thousand, eighty-six".
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