Base | Representation |
---|---|
bin | 110011001001… |
… | …100100101010 |
3 | 221020020002010 |
4 | 303021210222 |
5 | 11413033204 |
6 | 1155220350 |
7 | 221653665 |
oct | 63114452 |
9 | 27206063 |
10 | 13408554 |
11 | 7629055 |
12 | 45a76b6 |
13 | 2a16173 |
14 | 1ad06dc |
15 | 129cd89 |
hex | cc992a |
13408554 has 16 divisors (see below), whose sum is σ = 27682560. Its totient is φ = 4325280.
The previous prime is 13408553. The next prime is 13408579. The reversal of 13408554 is 45580431.
It is not an unprimeable number, because it can be changed into a prime (13408553) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35859 + ... + 36230.
It is an arithmetic number, because the mean of its divisors is an integer number (1730160).
Almost surely, 213408554 is an apocalyptic number.
13408554 is an abundant number, since it is smaller than the sum of its proper divisors (14274006).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13408554 is a wasteful number, since it uses less digits than its factorization.
13408554 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72125.
The product of its (nonzero) digits is 9600, while the sum is 30.
The square root of 13408554 is about 3661.7692445046. The cubic root of 13408554 is about 237.5713041674.
Adding to 13408554 its reverse (45580431), we get a palindrome (58988985).
The spelling of 13408554 in words is "thirteen million, four hundred eight thousand, five hundred fifty-four".
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