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3140284 = 227112153
BaseRepresentation
bin1011111110101010111100
312220112122211
423332222330
51300442114
6151150204
735456230
oct13765274
95815584
103140284
111855384
121075364
1385c474
145ba5c0
154206c4
hex2feabc

3140284 has 12 divisors (see below), whose sum is σ = 6280624. Its totient is φ = 1345824.

The previous prime is 3140273. The next prime is 3140297. The reversal of 3140284 is 4820413.

3140284 is an admirable number.

It is a super-2 number, since 2×31402842 = 19722767201312, which contains 22 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56049 + ... + 56104.

Almost surely, 23140284 is an apocalyptic number.

It is an amenable number.

3140284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3140284 is a wasteful number, since it uses less digits than its factorization.

3140284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112164 (or 112162 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 3140284 is about 1772.0846480911. The cubic root of 3140284 is about 146.4388497133.

Adding to 3140284 its reverse (4820413), we get a palindrome (7960697).

The spelling of 3140284 in words is "three million, one hundred forty thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 28 112153 224306 448612 785071 1570142 3140284