Base | Representation |
---|---|
bin | 110101001100… |
… | …000011011111 |
3 | 222020101012200 |
4 | 311030003133 |
5 | 12032134012 |
6 | 1214502543 |
7 | 226341111 |
oct | 65140337 |
9 | 28211180 |
10 | 13943007 |
11 | 7963651 |
12 | 4804a53 |
13 | 2b72500 |
14 | 1bcd3b1 |
15 | 13563dc |
hex | d4c0df |
13943007 has 36 divisors (see below), whose sum is σ = 22267440. Its totient is φ = 8401536.
The previous prime is 13942987. The next prime is 13943029. The reversal of 13943007 is 70034931.
It is not a de Polignac number, because 13943007 - 211 = 13940959 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13943047) by changing a digit.
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 35 ways as a sum of consecutive naturals, for example, 135318 + ... + 135420.
It is an arithmetic number, because the mean of its divisors is an integer number (618540).
Almost surely, 213943007 is an apocalyptic number.
13943007 is a deficient number, since it is larger than the sum of its proper divisors (8324433).
13943007 is a wasteful number, since it uses less digits than its factorization.
13943007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 224 (or 208 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 27.
The square root of 13943007 is about 3734.0336099184. The cubic root of 13943007 is about 240.6867310444.
Adding to 13943007 its reverse (70034931), we get a palindrome (83977938).
The spelling of 13943007 in words is "thirteen million, nine hundred forty-three thousand, seven".
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