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2975121 = 32330569
BaseRepresentation
bin1011010110010110010001
312121011002200
423112112101
51230200441
6143433413
734200552
oct13262621
95534080
102975121
111752286
12bb5869
13802236
14576329
153db7b6
hex2d6591

2975121 has 6 divisors (see below), whose sum is σ = 4297410. Its totient is φ = 1983408.

The previous prime is 2975117. The next prime is 2975123. The reversal of 2975121 is 1215792.

2975121 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., 1535121 + 1440000 = 1239^2 + 1200^2 .

It is not a de Polignac number, because 2975121 - 22 = 2975117 is a prime.

2975121 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2975123) 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, 165276 + ... + 165293.

It is an arithmetic number, because the mean of its divisors is an integer number (716235).

22975121 is an apocalyptic number.

It is an amenable number.

2975121 is a deficient number, since it is larger than the sum of its proper divisors (1322289).

2975121 is a wasteful number, since it uses less digits than its factorization.

2975121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330575 (or 330572 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 2975121 is about 1724.8539068570. The cubic root of 2975121 is about 143.8251639681.

The spelling of 2975121 in words is "two million, nine hundred seventy-five thousand, one hundred twenty-one".

Divisors: 1 3 9 330569 991707 2975121