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19472 = 241217
BaseRepresentation
bin100110000010000
3222201012
410300100
51110342
6230052
7110525
oct46020
928635
1019472
11136a2
12b328
138b2b
14714c
155b82
hex4c10

19472 has 10 divisors (see below), whose sum is σ = 37758. Its totient is φ = 9728.

The previous prime is 19471. The next prime is 19477. The reversal of 19472 is 27491.

It can be written as a sum of positive squares in only one way, i.e., 15376 + 4096 = 124^2 + 64^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 593 + ... + 624.

219472 is an apocalyptic number.

It is an amenable number.

19472 is a deficient number, since it is larger than the sum of its proper divisors (18286).

19472 is a wasteful number, since it uses less digits than its factorization.

19472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1219 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 19472 is about 139.5421083401. The cubic root of 19472 is about 26.9031739874.

The spelling of 19472 in words is "nineteen thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 1217 2434 4868 9736 19472