Base | Representation |
---|---|
bin | 110011111111… |
… | …101011000010 |
3 | 221122111001020 |
4 | 303333223002 |
5 | 11442131041 |
6 | 1204050310 |
7 | 223566015 |
oct | 63775302 |
9 | 27574036 |
10 | 13630146 |
11 | 776a592 |
12 | 4693996 |
13 | 2a92c9a |
14 | 1b4b37c |
15 | 12e3866 |
hex | cffac2 |
13630146 has 16 divisors (see below), whose sum is σ = 27316704. Its totient is φ = 4533984.
The previous prime is 13630139. The next prime is 13630159. The reversal of 13630146 is 64103631.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206 + ... + 5358.
It is an arithmetic number, because the mean of its divisors is an integer number (1707294).
Almost surely, 213630146 is an apocalyptic number.
13630146 is an abundant number, since it is smaller than the sum of its proper divisors (13686558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13630146 is a wasteful number, since it uses less digits than its factorization.
13630146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4705.
The product of its (nonzero) digits is 1296, while the sum is 24.
The square root of 13630146 is about 3691.9027614497. The cubic root of 13630146 is about 238.8728746271.
Adding to 13630146 its reverse (64103631), we get a palindrome (77733777).
The spelling of 13630146 in words is "thirteen million, six hundred thirty thousand, one hundred forty-six".
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