Base | Representation |
---|---|
bin | 11001011101111… |
… | …101000100100101 |
3 | 1002210000012201010 |
4 | 121131331010211 |
5 | 1333341021400 |
6 | 110222052433 |
7 | 13405562142 |
oct | 3135750445 |
9 | 1083005633 |
10 | 427282725 |
11 | 1aa20a921 |
12 | bb11a119 |
13 | 6a6a481c |
14 | 40a673c9 |
15 | 277a2450 |
hex | 1977d125 |
427282725 has 24 divisors (see below), whose sum is σ = 712935520. Its totient is φ = 225789120.
The previous prime is 427282717. The next prime is 427282729. The reversal of 427282725 is 527282724.
It is a happy number.
It is not a de Polignac number, because 427282725 - 23 = 427282717 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (427282729) 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, 17959 + ... + 34308.
Almost surely, 2427282725 is an apocalyptic number.
It is an amenable number.
427282725 is a deficient number, since it is larger than the sum of its proper divisors (285652795).
427282725 is a wasteful number, since it uses less digits than its factorization.
427282725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52389 (or 52384 counting only the distinct ones).
The product of its digits is 125440, while the sum is 39.
The square root of 427282725 is about 20670.8181986103. The cubic root of 427282725 is about 753.1909820349.
Subtracting 427282725 from its reverse (527282724), we obtain a palindrome (99999999).
The spelling of 427282725 in words is "four hundred twenty-seven million, two hundred eighty-two thousand, seven hundred twenty-five".
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