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2773057 = 72173329
BaseRepresentation
bin1010100101000001000001
312012212220211
422211001001
51202214212
6135234121
732366500
oct12450101
95185824
102773057
111624491
12b18941
13761281
14522837
1539b9a7
hex2a5041

2773057 has 12 divisors (see below), whose sum is σ = 3416580. Its totient is φ = 2236416.

The previous prime is 2773049. The next prime is 2773061. The reversal of 2773057 is 7503772.

It can be written as a sum of positive squares in 2 ways, for example, as 1640961 + 1132096 = 1281^2 + 1064^2 .

It is not a de Polignac number, because 2773057 - 23 = 2773049 is a prime.

It is an Ulam number.

It is a Duffinian number.

2773057 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2773007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 832 + ... + 2497.

It is an arithmetic number, because the mean of its divisors is an integer number (284715).

22773057 is an apocalyptic number.

2773057 is the 833-rd decagonal number.

It is an amenable number.

2773057 is a deficient number, since it is larger than the sum of its proper divisors (643523).

2773057 is a wasteful number, since it uses less digits than its factorization.

2773057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360 (or 3353 counting only the distinct ones).

The product of its (nonzero) digits is 10290, while the sum is 31.

The square root of 2773057 is about 1665.2498311064. The cubic root of 2773057 is about 140.4924325657.

The spelling of 2773057 in words is "two million, seven hundred seventy-three thousand, fifty-seven".

Divisors: 1 7 17 49 119 833 3329 23303 56593 163121 396151 2773057