Base | Representation |
---|---|
bin | 110010001001… |
… | …010001110010 |
3 | 220201211211100 |
4 | 302021101302 |
5 | 11331121302 |
6 | 1145425230 |
7 | 216506130 |
oct | 62112162 |
9 | 26654740 |
10 | 13145202 |
11 | 7469204 |
12 | 449b216 |
13 | 2953335 |
14 | 1a62750 |
15 | 1249d1c |
hex | c89472 |
13145202 has 24 divisors (see below), whose sum is σ = 32550336. Its totient is φ = 3755736.
The previous prime is 13145201. The next prime is 13145203. The reversal of 13145202 is 20254131.
It is an interprime number because it is at equal distance from previous prime (13145201) and next prime (13145203).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (13145201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52038 + ... + 52289.
It is an arithmetic number, because the mean of its divisors is an integer number (1356264).
Almost surely, 213145202 is an apocalyptic number.
13145202 is an abundant number, since it is smaller than the sum of its proper divisors (19405134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13145202 is a wasteful number, since it uses less digits than its factorization.
13145202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104342 (or 104339 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 13145202 is about 3625.6312553816. The cubic root of 13145202 is about 236.0056615514.
Adding to 13145202 its reverse (20254131), we get a palindrome (33399333).
The spelling of 13145202 in words is "thirteen million, one hundred forty-five thousand, two hundred two".
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