Search a number
-
+
19714047 = 331211979
BaseRepresentation
bin100101100110…
…0111111111111
31101002120120220
41023030333333
520021322142
61542312423
7326365233
oct113147777
941076526
1019714047
1110145501
126728713
134113222
1428925c3
151ae62ec
hex12ccfff

19714047 has 8 divisors (see below), whose sum is σ = 27133440. Its totient is φ = 12718680.

The previous prime is 19714043. The next prime is 19714061. The reversal of 19714047 is 74041791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19714047 - 22 = 19714043 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 19713999 and 19714017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19714043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105897 + ... + 106082.

It is an arithmetic number, because the mean of its divisors is an integer number (3391680).

Almost surely, 219714047 is an apocalyptic number.

19714047 is a deficient number, since it is larger than the sum of its proper divisors (7419393).

19714047 is a wasteful number, since it uses less digits than its factorization.

19714047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212013.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 19714047 is about 4440.0503375525. The cubic root of 19714047 is about 270.1418870155.

The spelling of 19714047 in words is "nineteen million, seven hundred fourteen thousand, forty-seven".

Divisors: 1 3 31 93 211979 635937 6571349 19714047