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2946121 = 1928161
BaseRepresentation
bin1011001111010001001001
312112200022121
423033101021
51223233441
6143051241
734020163
oct13172111
95480277
102946121
111732512
12ba0b21
137c1c89
14569933
153d2dd1
hex2cf449

2946121 has 6 divisors (see below), whose sum is σ = 3109722. Its totient is φ = 2790720.

The previous prime is 2946107. The next prime is 2946127. The reversal of 2946121 is 1216492.

2946121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2368521 + 577600 = 1539^2 + 760^2 .

It is not a de Polignac number, because 2946121 - 25 = 2946089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2946127) 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 5 ways as a sum of consecutive naturals, for example, 3720 + ... + 4441.

It is an arithmetic number, because the mean of its divisors is an integer number (518287).

22946121 is an apocalyptic number.

It is an amenable number.

2946121 is a deficient number, since it is larger than the sum of its proper divisors (163601).

2946121 is an equidigital number, since it uses as much as digits as its factorization.

2946121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8199 (or 8180 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 2946121 is about 1716.4268117225. The cubic root of 2946121 is about 143.3563252583.

The spelling of 2946121 in words is "two million, nine hundred forty-six thousand, one hundred twenty-one".

Divisors: 1 19 361 8161 155059 2946121