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3020289 = 3972107
BaseRepresentation
bin1011100001011000000001
312200110001120
423201120001
51233122124
6144422453
734446336
oct13413001
95613046
103020289
111783208
121017a29
1381996c
1458898d
153e9d79
hex2e1601

3020289 has 12 divisors (see below), whose sum is σ = 4107024. Its totient is φ = 1974144.

The previous prime is 3020279. The next prime is 3020309. The reversal of 3020289 is 9820203.

3020289 = 152 + 162 + ... + 2082.

It is not a de Polignac number, because 3020289 - 27 = 3020161 is a prime.

It is a Curzon number.

3020289 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3020219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28174 + ... + 28280.

It is an arithmetic number, because the mean of its divisors is an integer number (342252).

Almost surely, 23020289 is an apocalyptic number.

It is an amenable number.

3020289 is a deficient number, since it is larger than the sum of its proper divisors (1086735).

3020289 is an equidigital number, since it uses as much as digits as its factorization.

3020289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 3020289 is about 1737.8978681154. The cubic root of 3020289 is about 144.5493579464.

The spelling of 3020289 in words is "three million, twenty thousand, two hundred eighty-nine".

Divisors: 1 3 97 107 291 321 9409 10379 28227 31137 1006763 3020289