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2678492 = 222812383
BaseRepresentation
bin1010001101111011011100
312001002012102
422031323130
51141202432
6133224232
731524005
oct12157334
95032172
102678492
11156a433
12a92078
1372a20b
144da1ac
1537d962
hex28dedc

2678492 has 12 divisors (see below), whose sum is σ = 4706016. Its totient is φ = 1333920.

The previous prime is 2678471. The next prime is 2678497. The reversal of 2678492 is 2948762.

It is a d-powerful number, because it can be written as 25 + 62 + 75 + 85 + 44 + 96 + 221 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68 + ... + 2315.

It is an arithmetic number, because the mean of its divisors is an integer number (392168).

22678492 is an apocalyptic number.

It is an amenable number.

2678492 is a deficient number, since it is larger than the sum of its proper divisors (2027524).

2678492 is a wasteful number, since it uses less digits than its factorization.

2678492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668 (or 2666 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 2678492 is about 1636.6099107607. The cubic root of 2678492 is about 138.8769333235.

The spelling of 2678492 in words is "two million, six hundred seventy-eight thousand, four hundred ninety-two".

Divisors: 1 2 4 281 562 1124 2383 4766 9532 669623 1339246 2678492