Base | Representation |
---|---|
bin | 110010100100… |
… | …111010010100 |
3 | 220221121002102 |
4 | 302210322110 |
5 | 11343232023 |
6 | 1152101232 |
7 | 220460123 |
oct | 62447224 |
9 | 26847072 |
10 | 13258388 |
11 | 7536250 |
12 | 4534818 |
13 | 2992a00 |
14 | 1a91aba |
15 | 126d628 |
hex | ca4e94 |
13258388 has 36 divisors (see below), whose sum is σ = 27423648. Its totient is φ = 5559840.
The previous prime is 13258381. The next prime is 13258393. The reversal of 13258388 is 88385231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13258381) 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 11 ways as a sum of consecutive naturals, for example, 6545 + ... + 8327.
It is an arithmetic number, because the mean of its divisors is an integer number (761768).
Almost surely, 213258388 is an apocalyptic number.
It is an amenable number.
13258388 is an abundant number, since it is smaller than the sum of its proper divisors (14165260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13258388 is a wasteful number, since it uses less digits than its factorization.
13258388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1824 (or 1809 counting only the distinct ones).
The product of its digits is 46080, while the sum is 38.
The square root of 13258388 is about 3641.2069427595. The cubic root of 13258388 is about 236.6810976675.
The spelling of 13258388 in words is "thirteen million, two hundred fifty-eight thousand, three hundred eighty-eight".
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