Base | Representation |
---|---|
bin | 10001001010101… |
… | …000100000011001 |
3 | 202001220220202121 |
4 | 101022220200121 |
5 | 1042212000100 |
6 | 44324501241 |
7 | 10064650135 |
oct | 2112504031 |
9 | 661826677 |
10 | 288000025 |
11 | 138628755 |
12 | 8054a821 |
13 | 47888b21 |
14 | 2a36c3c5 |
15 | 1a43d51a |
hex | 112a8819 |
288000025 has 12 divisors (see below), whose sum is σ = 365426512. Its totient is φ = 225041040.
The previous prime is 288000001. The next prime is 288000071. The reversal of 288000025 is 520000882.
It is not a de Polignac number, because 288000025 - 25 = 287999993 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132879 + ... + 135028.
Almost surely, 2288000025 is an apocalyptic number.
288000025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
288000025 is a deficient number, since it is larger than the sum of its proper divisors (77426487).
288000025 is a wasteful number, since it uses less digits than its factorization.
288000025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267960 (or 267955 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 25.
The square root of 288000025 is about 16970.5634850467. The cubic root of 288000025 is about 660.3854688873.
The spelling of 288000025 in words is "two hundred eighty-eight million, twenty-five", and thus it is an aban number.
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