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1880406049 is a prime number
BaseRepresentation
bin111000000010100…
…1011100000100001
311212001022112011111
41300011023200201
512322340443144
6510331343321
764412121244
oct16005134041
94761275144
101880406049
11885492995
124458b1b41
1323c763202
1413ba4725b
15b013c534
hex7014b821

1880406049 has 2 divisors, whose sum is σ = 1880406050. Its totient is φ = 1880406048.

The previous prime is 1880405999. The next prime is 1880406053. The reversal of 1880406049 is 9406040881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1433379600 + 447026449 = 37860^2 + 21143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1880406049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1880406149) 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 as a sum of consecutive naturals, namely, 940203024 + 940203025.

It is an arithmetic number, because the mean of its divisors is an integer number (940203025).

Almost surely, 21880406049 is an apocalyptic number.

It is an amenable number.

1880406049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1880406049 is an equidigital number, since it uses as much as digits as its factorization.

1880406049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1880406049 is about 43363.6489354851. The cubic root of 1880406049 is about 1234.2900078587.

The spelling of 1880406049 in words is "one billion, eight hundred eighty million, four hundred six thousand, forty-nine".