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19996795 = 571371619
BaseRepresentation
bin100110001001…
…0000001111011
31101121221110001
41030102001323
520104344140
61552333431
7331653460
oct114220173
941557401
1019996795
1110318985
126844277
1341b1b30
142927667
151b4ee9a
hex131207b

19996795 has 32 divisors (see below), whose sum is σ = 29998080. Its totient is φ = 12458880.

The previous prime is 19996793. The next prime is 19996831. The reversal of 19996795 is 59769991.

It is not a de Polignac number, because 19996795 - 21 = 19996793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19996793) 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 31 ways as a sum of consecutive naturals, for example, 31996 + ... + 32614.

It is an arithmetic number, because the mean of its divisors is an integer number (937440).

Almost surely, 219996795 is an apocalyptic number.

19996795 is a deficient number, since it is larger than the sum of its proper divisors (10001285).

19996795 is a wasteful number, since it uses less digits than its factorization.

19996795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715.

The product of its digits is 1377810, while the sum is 55.

The square root of 19996795 is about 4471.7776107494. Note that the first 3 decimals coincide. The cubic root of 19996795 is about 271.4272613708.

The spelling of 19996795 in words is "nineteen million, nine hundred ninety-six thousand, seven hundred ninety-five".

Divisors: 1 5 7 13 35 65 71 91 355 455 497 619 923 2485 3095 4333 4615 6461 8047 21665 32305 40235 43949 56329 219745 281645 307643 571337 1538215 2856685 3999359 19996795