Base | Representation |
---|---|
bin | 1010010011000… |
… | …1110101001101 |
3 | 10000021120101200 |
4 | 2210301311031 |
5 | 42024230400 |
6 | 4141500113 |
7 | 1033105026 |
oct | 244616515 |
9 | 100246350 |
10 | 43195725 |
11 | 22423651 |
12 | 12571639 |
13 | 8c45301 |
14 | 5a45c4d |
15 | 3bd3b00 |
hex | 2931d4d |
43195725 has 72 divisors (see below), whose sum is σ = 85655232. Its totient is φ = 20697600.
The previous prime is 43195697. The next prime is 43195783. The reversal of 43195725 is 52759134.
43195725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 43195725 - 27 = 43195597 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 43195725.
It is a congruent 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 71 ways as a sum of consecutive naturals, for example, 87730 + ... + 88220.
It is an arithmetic number, because the mean of its divisors is an integer number (1189656).
Almost surely, 243195725 is an apocalyptic number.
43195725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
43195725 is a deficient number, since it is larger than the sum of its proper divisors (42459507).
43195725 is a wasteful number, since it uses less digits than its factorization.
43195725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 547 (or 539 counting only the distinct ones).
The product of its digits is 37800, while the sum is 36.
The square root of 43195725 is about 6572.3454717475. The cubic root of 43195725 is about 350.8705539669.
The spelling of 43195725 in words is "forty-three million, one hundred ninety-five thousand, seven hundred twenty-five".
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