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19227942 = 234118691
BaseRepresentation
bin100100101011…
…0010100100110
31100011212210000
41021112110212
514410243232
61524042130
7322302066
oct111262446
940155700
1019227942
11a943268
126533346
133ca2ba6
1427a73a6
151a4c27c
hex1256526

19227942 has 20 divisors (see below), whose sum is σ = 43085196. Its totient is φ = 6409260.

The previous prime is 19227941. The next prime is 19227953. The reversal of 19227942 is 24972291.

It is a junction number, because it is equal to n+sod(n) for n = 19227897 and 19227906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19227941) 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 9 ways as a sum of consecutive naturals, for example, 59184 + ... + 59507.

Almost surely, 219227942 is an apocalyptic number.

19227942 is an abundant number, since it is smaller than the sum of its proper divisors (23857254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19227942 is a wasteful number, since it uses less digits than its factorization.

19227942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118705 (or 118696 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 19227942 is about 4384.9677307821. The cubic root of 19227942 is about 267.9030149551.

The spelling of 19227942 in words is "nineteen million, two hundred twenty-seven thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 118691 237382 356073 712146 1068219 2136438 3204657 6409314 9613971 19227942