Base | Representation |
---|---|
bin | 111101010010100… |
… | …101101001000001 |
3 | 2122122220012000112 |
4 | 331102211221001 |
5 | 4101220023240 |
6 | 250011401105 |
7 | 34324155314 |
oct | 7522455101 |
9 | 2578805015 |
10 | 1028282945 |
11 | 488491218 |
12 | 248453195 |
13 | 135060761 |
14 | 9a7d097b |
15 | 6041b665 |
hex | 3d4a5a41 |
1028282945 has 32 divisors (see below), whose sum is σ = 1329540480. Its totient is φ = 761080320.
The previous prime is 1028282929. The next prime is 1028282977. The reversal of 1028282945 is 5492828201.
It is a happy number.
It is not a de Polignac number, because 1028282945 - 24 = 1028282929 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1666277 + ... + 1666893.
It is an arithmetic number, because the mean of its divisors is an integer number (41548140).
Almost surely, 21028282945 is an apocalyptic number.
It is an amenable number.
1028282945 is a deficient number, since it is larger than the sum of its proper divisors (301257535).
1028282945 is a wasteful number, since it uses less digits than its factorization.
1028282945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1025.
The product of its (nonzero) digits is 92160, while the sum is 41.
The square root of 1028282945 is about 32066.8511862328. The cubic root of 1028282945 is about 1009.3401385398.
The spelling of 1028282945 in words is "one billion, twenty-eight million, two hundred eighty-two thousand, nine hundred forty-five".
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