Base | Representation |
---|---|
bin | 1010001100111… |
… | …1100111101111 |
3 | 2222112010120210 |
4 | 2203033213233 |
5 | 41423342310 |
6 | 4125113503 |
7 | 1026511155 |
oct | 243174757 |
9 | 88463523 |
10 | 42793455 |
11 | 221793a1 |
12 | 123b8893 |
13 | 8b34193 |
14 | 597d3d5 |
15 | 3b54820 |
hex | 28cf9ef |
42793455 has 24 divisors (see below), whose sum is σ = 71589168. Its totient is φ = 21826816.
The previous prime is 42793441. The next prime is 42793469. The reversal of 42793455 is 55439724.
It is an interprime number because it is at equal distance from previous prime (42793441) and next prime (42793469).
It is not a de Polignac number, because 42793455 - 212 = 42789359 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5239 + ... + 10631.
It is an arithmetic number, because the mean of its divisors is an integer number (2982882).
Almost surely, 242793455 is an apocalyptic number.
42793455 is a deficient number, since it is larger than the sum of its proper divisors (28795713).
42793455 is a wasteful number, since it uses less digits than its factorization.
42793455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5447 (or 5424 counting only the distinct ones).
The product of its digits is 151200, while the sum is 39.
The square root of 42793455 is about 6541.6706581729. The cubic root of 42793455 is about 349.7779680213. Note that the first 3 decimals are identical.
The spelling of 42793455 in words is "forty-two million, seven hundred ninety-three thousand, four hundred fifty-five".
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