Base | Representation |
---|---|
bin | 10000111111001… |
… | …100110010101101 |
3 | 201212021122111220 |
4 | 100333030302231 |
5 | 1040430043200 |
6 | 44140333553 |
7 | 10030325214 |
oct | 2077146255 |
9 | 655248456 |
10 | 285002925 |
11 | 136970a09 |
12 | 7b5442b9 |
13 | 470798ac |
14 | 29bcc07b |
15 | 1a04a4a0 |
hex | 10fcccad |
285002925 has 48 divisors (see below), whose sum is σ = 489730560. Its totient is φ = 146139840.
The previous prime is 285002917. The next prime is 285002929. The reversal of 285002925 is 529200582.
It is not a de Polignac number, because 285002925 - 23 = 285002917 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (285002929) 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, 215416 + ... + 216734.
It is an arithmetic number, because the mean of its divisors is an integer number (10202720).
Almost surely, 2285002925 is an apocalyptic number.
285002925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
285002925 is a deficient number, since it is larger than the sum of its proper divisors (204727635).
285002925 is a wasteful number, since it uses less digits than its factorization.
285002925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1442 (or 1437 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 33.
The square root of 285002925 is about 16882.0296469352. The cubic root of 285002925 is about 658.0866878579.
The spelling of 285002925 in words is "two hundred eighty-five million, two thousand, nine hundred twenty-five".
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