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66472 = 2371187
BaseRepresentation
bin10000001110101000
310101011221
4100032220
54111342
61231424
7364540
oct201650
9111157
1066472
1145a3a
1232574
1324343
141a320
1514a67
hex103a8

66472 has 16 divisors (see below), whose sum is σ = 142560. Its totient is φ = 28464.

The previous prime is 66467. The next prime is 66491. The reversal of 66472 is 27466.

It is a plaindrome in base 9.

It is an unprimeable number.

66472 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538 + ... + 649.

It is an arithmetic number, because the mean of its divisors is an integer number (8910).

266472 is an apocalyptic number.

It is an amenable number.

66472 is an abundant number, since it is smaller than the sum of its proper divisors (76088).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71280).

66472 is a wasteful number, since it uses less digits than its factorization.

66472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200 (or 1196 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 66472 is about 257.8216437772. The cubic root of 66472 is about 40.5085080941.

The spelling of 66472 in words is "sixty-six thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 1187 2374 4748 8309 9496 16618 33236 66472