Base | Representation |
---|---|
bin | 110100101010… |
… | …000010110001 |
3 | 221222022010001 |
4 | 310222002301 |
5 | 12013204242 |
6 | 1211510001 |
7 | 225221005 |
oct | 64520261 |
9 | 27868101 |
10 | 13803697 |
11 | 7878a16 |
12 | 4758301 |
13 | 2b23c8b |
14 | 1b94705 |
15 | 1329eb7 |
hex | d2a0b1 |
13803697 has 2 divisors, whose sum is σ = 13803698. Its totient is φ = 13803696.
The previous prime is 13803667. The next prime is 13803707. The reversal of 13803697 is 79630831.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8946081 + 4857616 = 2991^2 + 2204^2 .
It is a cyclic number.
It is not a de Polignac number, because 13803697 - 215 = 13770929 is a prime.
It is not a weakly prime, because it can be changed into another prime (13803617) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6901848 + 6901849.
It is an arithmetic number, because the mean of its divisors is an integer number (6901849).
Almost surely, 213803697 is an apocalyptic number.
It is an amenable number.
13803697 is a deficient number, since it is larger than the sum of its proper divisors (1).
13803697 is an equidigital number, since it uses as much as digits as its factorization.
13803697 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27216, while the sum is 37.
The square root of 13803697 is about 3715.3326903522. The cubic root of 13803697 is about 239.8824482197.
It can be divided in two parts, 13803 and 697, that multiplied together give a triangular number (9620691 = T4386).
The spelling of 13803697 in words is "thirteen million, eight hundred three thousand, six hundred ninety-seven".
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