Base | Representation |
---|---|
bin | 110011110001… |
… | …101000111100 |
3 | 221112120012102 |
4 | 303301220330 |
5 | 11433311133 |
6 | 1202524232 |
7 | 223236314 |
oct | 63615074 |
9 | 27476172 |
10 | 13572668 |
11 | 773038a |
12 | 4666678 |
13 | 2a72a85 |
14 | 1b34444 |
15 | 12d17e8 |
hex | cf1a3c |
13572668 has 24 divisors (see below), whose sum is σ = 25589760. Its totient is φ = 6280560.
The previous prime is 13572661. The next prime is 13572677. The reversal of 13572668 is 86627531.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is a plaindrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13572661) 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 7 ways as a sum of consecutive naturals, for example, 473 + ... + 5231.
It is an arithmetic number, because the mean of its divisors is an integer number (1066240).
Almost surely, 213572668 is an apocalyptic number.
It is an amenable number.
13572668 is a deficient number, since it is larger than the sum of its proper divisors (12017092).
13572668 is a wasteful number, since it uses less digits than its factorization.
13572668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4817 (or 4815 counting only the distinct ones).
The product of its digits is 60480, while the sum is 38.
The square root of 13572668 is about 3684.1102046491. The cubic root of 13572668 is about 238.5366278001.
The spelling of 13572668 in words is "thirteen million, five hundred seventy-two thousand, six hundred sixty-eight".
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