Base | Representation |
---|---|
bin | 1010001101000… |
… | …0111100110111 |
3 | 2222112102001120 |
4 | 2203100330313 |
5 | 41424031103 |
6 | 4125155023 |
7 | 1026533100 |
oct | 243207467 |
9 | 88472046 |
10 | 42798903 |
11 | 221824a4 |
12 | 123bba73 |
13 | 8b367c4 |
14 | 59813a7 |
15 | 3b56253 |
hex | 28d0f37 |
42798903 has 24 divisors (see below), whose sum is σ = 66648960. Its totient is φ = 24358320.
The previous prime is 42798901. The next prime is 42798913. The reversal of 42798903 is 30989724.
It is not a de Polignac number, because 42798903 - 21 = 42798901 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42798901) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52368 + ... + 53178.
It is an arithmetic number, because the mean of its divisors is an integer number (2777040).
Almost surely, 242798903 is an apocalyptic number.
42798903 is a deficient number, since it is larger than the sum of its proper divisors (23850057).
42798903 is a wasteful number, since it uses less digits than its factorization.
42798903 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1187 (or 1180 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 42.
The square root of 42798903 is about 6542.0870523098. The cubic root of 42798903 is about 349.7928107078.
The spelling of 42798903 in words is "forty-two million, seven hundred ninety-eight thousand, nine hundred three".
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