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19061427 = 37111943101
BaseRepresentation
bin100100010110…
…1101010110011
31022212102100210
41020231222303
514334431202
61520315203
7321006450
oct110555263
938772323
1019061427
11a83a150
126472b03
133c45168
142762827
151a17c6c
hex122dab3

19061427 has 64 divisors (see below), whose sum is σ = 34467840. Its totient is φ = 9072000.

The previous prime is 19061423. The next prime is 19061429. The reversal of 19061427 is 72416091.

It is a happy number.

It is not a de Polignac number, because 19061427 - 22 = 19061423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19061394 and 19061403.

It is not an unprimeable number, because it can be changed into a prime (19061423) 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 in 63 ways as a sum of consecutive naturals, for example, 188677 + ... + 188777.

It is an arithmetic number, because the mean of its divisors is an integer number (538560).

Almost surely, 219061427 is an apocalyptic number.

19061427 is a deficient number, since it is larger than the sum of its proper divisors (15406413).

19061427 is a wasteful number, since it uses less digits than its factorization.

19061427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 19061427 is about 4365.9394178115. The cubic root of 19061427 is about 267.1274202797.

It can be divided in two parts, 1906 and 1427, that added together give a palindrome (3333).

The spelling of 19061427 in words is "nineteen million, sixty-one thousand, four hundred twenty-seven".

Divisors: 1 3 7 11 19 21 33 43 57 77 101 129 133 209 231 301 303 399 473 627 707 817 903 1111 1419 1463 1919 2121 2451 3311 3333 4343 4389 5719 5757 7777 8987 9933 13029 13433 17157 21109 23331 26961 30401 40299 47773 62909 63327 82517 91203 143319 147763 188727 247551 334411 443289 577619 907687 1003233 1732857 2723061 6353809 19061427