Base | Representation |
---|---|
bin | 11010110111010101111001 |
3 | 111020210101120 |
4 | 122313111321 |
5 | 3300324200 |
6 | 410535453 |
7 | 113600565 |
oct | 32672571 |
9 | 14223346 |
10 | 7042425 |
11 | 3a80095 |
12 | 2437589 |
13 | 15c7620 |
14 | d146a5 |
15 | 9419a0 |
hex | 6b7579 |
7042425 has 48 divisors (see below), whose sum is σ = 12999168. Its totient is φ = 3340800.
The previous prime is 7042423. The next prime is 7042457. The reversal of 7042425 is 5242407.
It is not a de Polignac number, because 7042425 - 21 = 7042423 is a prime.
It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 7042395 and 7042404.
It is not an unprimeable number, because it can be changed into a prime (7042421) 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, 30109 + ... + 30341.
It is an arithmetic number, because the mean of its divisors is an integer number (270816).
Almost surely, 27042425 is an apocalyptic number.
7042425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
7042425 is a deficient number, since it is larger than the sum of its proper divisors (5956743).
7042425 is a wasteful number, since it uses less digits than its factorization.
7042425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 290 (or 285 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 24.
The square root of 7042425 is about 2653.7567710700. The cubic root of 7042425 is about 191.6787978039.
The spelling of 7042425 in words is "seven million, forty-two thousand, four hundred twenty-five".
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