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2986121 = 7937799
BaseRepresentation
bin1011011001000010001001
312121201012002
423121002021
51231023441
6144000345
734244615
oct13310211
95551162
102986121
11175a576
1210000b5
13807248
1457a345
153deb9b
hex2d9089

2986121 has 4 divisors (see below), whose sum is σ = 3024000. Its totient is φ = 2948244.

The previous prime is 2986111. The next prime is 2986129. The reversal of 2986121 is 1216892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2986121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2986129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18821 + ... + 18978.

It is an arithmetic number, because the mean of its divisors is an integer number (756000).

22986121 is an apocalyptic number.

It is an amenable number.

2986121 is a deficient number, since it is larger than the sum of its proper divisors (37879).

2986121 is an equidigital number, since it uses as much as digits as its factorization.

2986121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37878.

The product of its digits is 1728, while the sum is 29.

The square root of 2986121 is about 1728.0396407490. The cubic root of 2986121 is about 144.0022022554.

The spelling of 2986121 in words is "two million, nine hundred eighty-six thousand, one hundred twenty-one".

Divisors: 1 79 37799 2986121