Base | Representation |
---|---|
bin | 110000101000… |
… | …100000110010 |
3 | 212222201010122 |
4 | 300220200302 |
5 | 11230430400 |
6 | 1133130242 |
7 | 213235442 |
oct | 60504062 |
9 | 25881118 |
10 | 12748850 |
11 | 7218444 |
12 | 4329982 |
13 | 2844aca |
14 | 199c122 |
15 | 11bc685 |
hex | c28832 |
12748850 has 12 divisors (see below), whose sum is σ = 23712954. Its totient is φ = 5099520.
The previous prime is 12748847. The next prime is 12748859. The reversal of 12748850 is 5884721.
It can be written as a sum of positive squares in 3 ways, for example, as 12229009 + 519841 = 3497^2 + 721^2 .
It is a super-3 number, since 3×127488503 (a number of 22 digits) contains 333 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 12748850.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12748859) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127439 + ... + 127538.
Almost surely, 212748850 is an apocalyptic number.
12748850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12748850 is a deficient number, since it is larger than the sum of its proper divisors (10964104).
12748850 is a wasteful number, since it uses less digits than its factorization.
12748850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 254989 (or 254984 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 35.
The square root of 12748850 is about 3570.5531784305. The cubic root of 12748850 is about 233.6094124444.
The spelling of 12748850 in words is "twelve million, seven hundred forty-eight thousand, eight hundred fifty".
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