Base | Representation |
---|---|
bin | 10001010101111… |
… | …01011100000001 |
3 | 101010202010020212 |
4 | 20222331130001 |
5 | 244220320200 |
6 | 22234043505 |
7 | 3414361160 |
oct | 1052753401 |
9 | 333663225 |
10 | 145479425 |
11 | 75134933 |
12 | 40879595 |
13 | 241a8400 |
14 | 1546d3d7 |
15 | cb8a035 |
hex | 8abd701 |
145479425 has 36 divisors (see below), whose sum is σ = 223289280. Its totient is φ = 92064960.
The previous prime is 145479407. The next prime is 145479431. The reversal of 145479425 is 524974541.
It is not a de Polignac number, because 145479425 - 212 = 145475329 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27116 + ... + 32034.
It is an arithmetic number, because the mean of its divisors is an integer number (6202480).
Almost surely, 2145479425 is an apocalyptic number.
It is an amenable number.
145479425 is a deficient number, since it is larger than the sum of its proper divisors (77809855).
145479425 is a wasteful number, since it uses less digits than its factorization.
145479425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4962 (or 4944 counting only the distinct ones).
The product of its digits is 201600, while the sum is 41.
The square root of 145479425 is about 12061.4851904730. The cubic root of 145479425 is about 525.9371620829.
The spelling of 145479425 in words is "one hundred forty-five million, four hundred seventy-nine thousand, four hundred twenty-five".
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