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3028287 = 31138933
BaseRepresentation
bin1011100011010100111111
312200212000210
423203110333
51233401122
6144523503
734511553
oct13432477
95625023
103028287
111789219
121020593
138204b2
1458b863
153ec40c
hex2e353f

3028287 has 8 divisors (see below), whose sum is σ = 4073904. Its totient is φ = 2000768.

The previous prime is 3028271. The next prime is 3028313. The reversal of 3028287 is 7828203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3028287 - 24 = 3028271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3028217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4128 + ... + 4805.

It is an arithmetic number, because the mean of its divisors is an integer number (509238).

Almost surely, 23028287 is an apocalyptic number.

3028287 is a deficient number, since it is larger than the sum of its proper divisors (1045617).

3028287 is a wasteful number, since it uses less digits than its factorization.

3028287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9049.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 3028287 is about 1740.1974025955. The cubic root of 3028287 is about 144.6768387684.

The spelling of 3028287 in words is "three million, twenty-eight thousand, two hundred eighty-seven".

Divisors: 1 3 113 339 8933 26799 1009429 3028287