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2986728 = 233124447
BaseRepresentation
bin1011011001001011101000
312121202000120
423121023220
51231033403
6144003240
734246443
oct13311350
95552016
102986728
11175aa78
121000520
138075c4
1457a65a
153dee53
hex2d92e8

2986728 has 16 divisors (see below), whose sum is σ = 7466880. Its totient is φ = 995568.

The previous prime is 2986723. The next prime is 2986729. The reversal of 2986728 is 8276892.

It is a happy number.

2986728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2986728.

It is not an unprimeable number, because it can be changed into a prime (2986721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62200 + ... + 62247.

It is an arithmetic number, because the mean of its divisors is an integer number (466680).

22986728 is an apocalyptic number.

It is an amenable number.

2986728 is an abundant number, since it is smaller than the sum of its proper divisors (4480152).

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

2986728 is a wasteful number, since it uses less digits than its factorization.

2986728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124456 (or 124452 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 2986728 is about 1728.2152643696. The cubic root of 2986728 is about 144.0119588834.

The spelling of 2986728 in words is "two million, nine hundred eighty-six thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 124447 248894 373341 497788 746682 995576 1493364 2986728