Search a number
-
+
19214973 = 3212716811
BaseRepresentation
bin100100101001…
…1001001111101
31100011012222200
41021103021331
514404334343
61523502113
7322216221
oct111231175
940135880
1019214973
11a934548
126527939
133c9a00b
1427a2781
151a484d3
hex125327d

19214973 has 12 divisors (see below), whose sum is σ = 27975168. Its totient is φ = 12708360.

The previous prime is 19214969. The next prime is 19214977. The reversal of 19214973 is 37941291.

It is an interprime number because it is at equal distance from previous prime (19214969) and next prime (19214977).

It is not a de Polignac number, because 19214973 - 22 = 19214969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19214977) 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 11 ways as a sum of consecutive naturals, for example, 7263 + ... + 9548.

It is an arithmetic number, because the mean of its divisors is an integer number (2331264).

Almost surely, 219214973 is an apocalyptic number.

It is an amenable number.

19214973 is a deficient number, since it is larger than the sum of its proper divisors (8760195).

19214973 is a wasteful number, since it uses less digits than its factorization.

19214973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16944 (or 16941 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 19214973 is about 4383.4886791231. The cubic root of 19214973 is about 267.8427690268.

The spelling of 19214973 in words is "nineteen million, two hundred fourteen thousand, nine hundred seventy-three".

Divisors: 1 3 9 127 381 1143 16811 50433 151299 2134997 6404991 19214973