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2986742 = 211349389
BaseRepresentation
bin1011011001001011110110
312121202001002
423121023312
51231033432
6144003302
734246463
oct13311366
95552032
102986742
11175aa90
121000532
13807605
1457a66a
153dee62
hex2d92f6

2986742 has 16 divisors (see below), whose sum is σ = 4914000. Its totient is φ = 1350240.

The previous prime is 2986741. The next prime is 2986769. The reversal of 2986742 is 2476892.

It is a junction number, because it is equal to n+sod(n) for n = 2986696 and 2986705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2986741) 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 7 ways as a sum of consecutive naturals, for example, 7484 + ... + 7872.

It is an arithmetic number, because the mean of its divisors is an integer number (307125).

22986742 is an apocalyptic number.

2986742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2986742 is a deficient number, since it is larger than the sum of its proper divisors (1927258).

2986742 is a wasteful number, since it uses less digits than its factorization.

2986742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751.

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

The square root of 2986742 is about 1728.2193147862. The cubic root of 2986742 is about 144.0121838971.

The spelling of 2986742 in words is "two million, nine hundred eighty-six thousand, seven hundred forty-two".

Divisors: 1 2 11 22 349 389 698 778 3839 4279 7678 8558 135761 271522 1493371 2986742