Base | Representation |
---|---|
bin | 110111010111… |
… | …011100011001 |
3 | 1000022101101112 |
4 | 313113130121 |
5 | 12203421240 |
6 | 1235030105 |
7 | 234236465 |
oct | 67273431 |
9 | 30271345 |
10 | 14513945 |
11 | 82135a6 |
12 | 4a3b335 |
13 | 3012344 |
14 | 1cdb4a5 |
15 | 141a665 |
hex | dd7719 |
14513945 has 4 divisors (see below), whose sum is σ = 17416740. Its totient is φ = 11611152.
The previous prime is 14513927. The next prime is 14513951. The reversal of 14513945 is 54931541.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54931541 = 7 ⋅7847363.
It can be written as a sum of positive squares in 2 ways, for example, as 6431296 + 8082649 = 2536^2 + 2843^2 .
It is a cyclic number.
It is not a de Polignac number, because 14513945 - 26 = 14513881 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451390 + ... + 1451399.
It is an arithmetic number, because the mean of its divisors is an integer number (4354185).
Almost surely, 214513945 is an apocalyptic number.
It is an amenable number.
14513945 is a deficient number, since it is larger than the sum of its proper divisors (2902795).
14513945 is an equidigital number, since it uses as much as digits as its factorization.
14513945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2902794.
The product of its digits is 10800, while the sum is 32.
The square root of 14513945 is about 3809.7171811041. The cubic root of 14513945 is about 243.9280951341.
The spelling of 14513945 in words is "fourteen million, five hundred thirteen thousand, nine hundred forty-five".
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