Base | Representation |
---|---|
bin | 1010000000111… |
… | …1101110111101 |
3 | 2221001012102210 |
4 | 2200033232331 |
5 | 41223214420 |
6 | 4100211033 |
7 | 1020025542 |
oct | 240175675 |
9 | 87035383 |
10 | 42007485 |
11 | 21791933 |
12 | 12099a79 |
13 | 891a500 |
14 | 5816bc9 |
15 | 3a4b9e0 |
hex | 280fbbd |
42007485 has 48 divisors (see below), whose sum is σ = 74101824. Its totient is φ = 20307456.
The previous prime is 42007477. The next prime is 42007487. The reversal of 42007485 is 58470024.
It is not a de Polignac number, because 42007485 - 23 = 42007477 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42007487) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184942 + ... + 185168.
It is an arithmetic number, because the mean of its divisors is an integer number (1543788).
Almost surely, 242007485 is an apocalyptic number.
It is an amenable number.
42007485 is a deficient number, since it is larger than the sum of its proper divisors (32094339).
42007485 is a wasteful number, since it uses less digits than its factorization.
42007485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 334 (or 321 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 30.
The square root of 42007485 is about 6481.3181529686. The cubic root of 42007485 is about 347.6233125156.
The spelling of 42007485 in words is "forty-two million, seven thousand, four hundred eighty-five".
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