Base | Representation |
---|---|
bin | 110010001010… |
… | …001101000001 |
3 | 220202001000202 |
4 | 302022031001 |
5 | 11331231433 |
6 | 1145454545 |
7 | 216523154 |
oct | 62121501 |
9 | 26661022 |
10 | 13148993 |
11 | 7471040 |
12 | 44a1455 |
13 | 2954c90 |
14 | 1a63c9b |
15 | 124aee8 |
hex | c8a341 |
13148993 has 8 divisors (see below), whose sum is σ = 15447936. Its totient is φ = 11034000.
The previous prime is 13148963. The next prime is 13148999. The reversal of 13148993 is 39984131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13148993 - 212 = 13144897 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13148999) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45833 + ... + 46118.
It is an arithmetic number, because the mean of its divisors is an integer number (1930992).
Almost surely, 213148993 is an apocalyptic number.
13148993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
13148993 is a deficient number, since it is larger than the sum of its proper divisors (2298943).
13148993 is a wasteful number, since it uses less digits than its factorization.
13148993 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91975.
The product of its digits is 23328, while the sum is 38.
The square root of 13148993 is about 3626.1540232042. The cubic root of 13148993 is about 236.0283469254.
It can be divided in two parts, 13148 and 993, that added together give a palindrome (14141).
The spelling of 13148993 in words is "thirteen million, one hundred forty-eight thousand, nine hundred ninety-three".
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