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1928041 is a prime number
BaseRepresentation
bin111010110101101101001
310121221202221
413112231221
5443144131
6105154041
722250053
oct7265551
93557687
101928041
1110a7625
1278b921
1352676b
143828d3
15281411
hex1d6b69

1928041 has 2 divisors, whose sum is σ = 1928042. Its totient is φ = 1928040.

The previous prime is 1928029. The next prime is 1928071. The reversal of 1928041 is 1408291.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1879641 + 48400 = 1371^2 + 220^2 .

It is a cyclic number.

It is not a de Polignac number, because 1928041 - 211 = 1925993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1927997 and 1928015.

It is not a weakly prime, because it can be changed into another prime (1928011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964020 + 964021.

It is an arithmetic number, because the mean of its divisors is an integer number (964021).

21928041 is an apocalyptic number.

It is an amenable number.

1928041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1928041 is an equidigital number, since it uses as much as digits as its factorization.

1928041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1928041 is about 1388.5391604128. The cubic root of 1928041 is about 124.4625673070.

It can be divided in two parts, 19280 and 41, that added together give a square (19321 = 1392).

The spelling of 1928041 in words is "one million, nine hundred twenty-eight thousand, forty-one".