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1945061 is a prime number
BaseRepresentation
bin111011010110111100101
310122211010022
413122313211
5444220221
6105404525
722350506
oct7326745
93584108
101945061
111109398
12799745
13531431
14388bad
152864ab
hex1dade5

1945061 has 2 divisors, whose sum is σ = 1945062. Its totient is φ = 1945060.

The previous prime is 1945057. The next prime is 1945091. The reversal of 1945061 is 1605491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1196836 + 748225 = 1094^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1945061 - 22 = 1945057 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1945061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1945051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972530 + 972531.

It is an arithmetic number, because the mean of its divisors is an integer number (972531).

21945061 is an apocalyptic number.

It is an amenable number.

1945061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1945061 is an equidigital number, since it uses as much as digits as its factorization.

1945061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1945061 is about 1394.6544374862. The cubic root of 1945061 is about 124.8277306954.

The spelling of 1945061 in words is "one million, nine hundred forty-five thousand, sixty-one".