Base | Representation |
---|---|
bin | 10001001011100… |
… | …110001111000110 |
3 | 202002101202121020 |
4 | 101023212033012 |
5 | 1042243042440 |
6 | 44334132010 |
7 | 10100052243 |
oct | 2113461706 |
9 | 662352536 |
10 | 288252870 |
11 | 138790714 |
12 | 80651006 |
13 | 47946c39 |
14 | 2a3d65ca |
15 | 1a48d3d0 |
hex | 112e63c6 |
288252870 has 32 divisors (see below), whose sum is σ = 694694880. Its totient is φ = 76546560.
The previous prime is 288252847. The next prime is 288252871. The reversal of 288252870 is 78252882.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (288252871) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12705 + ... + 27164.
It is an arithmetic number, because the mean of its divisors is an integer number (21709215).
Almost surely, 2288252870 is an apocalyptic number.
288252870 is an abundant number, since it is smaller than the sum of its proper divisors (406442010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
288252870 is a wasteful number, since it uses less digits than its factorization.
288252870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40120.
The product of its (nonzero) digits is 143360, while the sum is 42.
The square root of 288252870 is about 16978.0113676485. The cubic root of 288252870 is about 660.5786706336.
The spelling of 288252870 in words is "two hundred eighty-eight million, two hundred fifty-two thousand, eight hundred seventy".
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