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3028347 = 3473109
BaseRepresentation
bin1011100011010101111011
312200212010000
423203111323
51233401342
6144524043
734512000
oct13432573
95625100
103028347
111789273
121020623
1382052a
1458b8a7
153ec44c
hex2e357b

3028347 has 40 divisors (see below), whose sum is σ = 5324000. Its totient is φ = 1714608.

The previous prime is 3028343. The next prime is 3028349. The reversal of 3028347 is 7438203.

It is not a de Polignac number, because 3028347 - 22 = 3028343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3028347.

It is not an unprimeable number, because it can be changed into a prime (3028343) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27729 + ... + 27837.

It is an arithmetic number, because the mean of its divisors is an integer number (133100).

Almost surely, 23028347 is an apocalyptic number.

3028347 is a deficient number, since it is larger than the sum of its proper divisors (2295653).

3028347 is an equidigital number, since it uses as much as digits as its factorization.

3028347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 3028347 is about 1740.2146419336. The cubic root of 3028347 is about 144.6777942649.

It can be divided in two parts, 3028 and 347, that added together give a cube (3375 = 153).

The spelling of 3028347 in words is "three million, twenty-eight thousand, three hundred forty-seven".

Divisors: 1 3 7 9 21 27 49 63 81 109 147 189 327 343 441 567 763 981 1029 1323 2289 2943 3087 3969 5341 6867 8829 9261 16023 20601 27783 37387 48069 61803 112161 144207 336483 432621 1009449 3028347