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19946041 = 21194531
BaseRepresentation
bin100110000010…
…1101000111001
31101112100211021
41030011220321
520101233131
61551302441
7331352503
oct114055071
941470737
1019946041
1110293835
12681aa21
1341949bb
142912d73
151b3ee11
hex1305a39

19946041 has 4 divisors (see below), whose sum is σ = 20040784. Its totient is φ = 19851300.

The previous prime is 19946033. The next prime is 19946063. The reversal of 19946041 is 14064991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19946041 - 23 = 19946033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19945988 and 19946006.

It is not an unprimeable number, because it can be changed into a prime (19946011) 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 3 ways as a sum of consecutive naturals, for example, 47055 + ... + 47476.

It is an arithmetic number, because the mean of its divisors is an integer number (5010196).

Almost surely, 219946041 is an apocalyptic number.

It is an amenable number.

19946041 is a deficient number, since it is larger than the sum of its proper divisors (94743).

19946041 is an equidigital number, since it uses as much as digits as its factorization.

19946041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94742.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 19946041 is about 4466.0990808534. The cubic root of 19946041 is about 271.1974296955.

The spelling of 19946041 in words is "nineteen million, nine hundred forty-six thousand, forty-one".

Divisors: 1 211 94531 19946041