Base | Representation |
---|---|
bin | 1011100111101000000010 |
3 | 12201202011202 |
4 | 23213220002 |
5 | 1234432030 |
6 | 145141202 |
7 | 34614101 |
oct | 13475002 |
9 | 5652152 |
10 | 3045890 |
11 | 17a0471 |
12 | 102a802 |
13 | 828503 |
14 | 594038 |
15 | 402745 |
hex | 2e7a02 |
3045890 has 64 divisors (see below), whose sum is σ = 6531840. Its totient is φ = 1013760.
The previous prime is 3045883. The next prime is 3045893. The reversal of 3045890 is 985403.
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (3045893) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74270 + ... + 74310.
It is an arithmetic number, because the mean of its divisors is an integer number (102060).
Almost surely, 23045890 is an apocalyptic number.
3045890 is an abundant number, since it is smaller than the sum of its proper divisors (3485950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3045890 is a wasteful number, since it uses less digits than its factorization.
3045890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107.
The product of its (nonzero) digits is 4320, while the sum is 29.
The square root of 3045890 is about 1745.2478334036. The cubic root of 3045890 is about 144.9566259487.
The spelling of 3045890 in words is "three million, forty-five thousand, eight hundred ninety".
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