Base | Representation |
---|---|
bin | 110100011011… |
… | …111011101111 |
3 | 221212100211112 |
4 | 310123323233 |
5 | 12004332103 |
6 | 1210342235 |
7 | 224560343 |
oct | 64337357 |
9 | 27770745 |
10 | 13745903 |
11 | 7839556 |
12 | 472a97b |
13 | 2b03892 |
14 | 1b7b623 |
15 | 1317cd8 |
hex | d1beef |
13745903 has 2 divisors, whose sum is σ = 13745904. Its totient is φ = 13745902.
The previous prime is 13745899. The next prime is 13745929. The reversal of 13745903 is 30954731.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (30954731) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13745903 - 22 = 13745899 is a prime.
It is equal to p894614 and since 13745903 and 894614 have the same sum of digits, it is a Honaker prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13745903.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13745993) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6872951 + 6872952.
It is an arithmetic number, because the mean of its divisors is an integer number (6872952).
Almost surely, 213745903 is an apocalyptic number.
13745903 is a deficient number, since it is larger than the sum of its proper divisors (1).
13745903 is an equidigital number, since it uses as much as digits as its factorization.
13745903 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 11340, while the sum is 32.
The square root of 13745903 is about 3707.5467630227. The cubic root of 13745903 is about 239.5471960081.
The spelling of 13745903 in words is "thirteen million, seven hundred forty-five thousand, nine hundred three".
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