Base | Representation |
---|---|
bin | 111101010001110… |
… | …001100010001010 |
3 | 2122122111100020200 |
4 | 331101301202022 |
5 | 4101141211024 |
6 | 250003033030 |
7 | 34322306133 |
oct | 7521614212 |
9 | 2578440220 |
10 | 1028069514 |
11 | 48835592a |
12 | 24836b776 |
13 | 134cb7574 |
14 | 9a776c8a |
15 | 603c82c9 |
hex | 3d47188a |
1028069514 has 24 divisors (see below), whose sum is σ = 2269514052. Its totient is φ = 336223680.
The previous prime is 1028069501. The next prime is 1028069521. The reversal of 1028069514 is 4159608201.
1028069514 is a `hidden beast` number, since 1 + 0 + 2 + 80 + 69 + 514 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 980003025 + 48066489 = 31305^2 + 6933^2 .
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, 537867 + ... + 539774.
Almost surely, 21028069514 is an apocalyptic number.
1028069514 is an abundant number, since it is smaller than the sum of its proper divisors (1241444538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1028069514 is a wasteful number, since it uses less digits than its factorization.
1028069514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1077702 (or 1077699 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 1028069514 is about 32063.5231064835. The cubic root of 1028069514 is about 1009.2703006343.
The spelling of 1028069514 in words is "one billion, twenty-eight million, sixty-nine thousand, five hundred fourteen".
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