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472681 = 1197443
BaseRepresentation
bin1110011011001101001
3220000101201
41303121221
5110111211
614044201
74006036
oct1633151
9800351
10472681
112a3150
121a9661
131371c1
14c438d
15950c1
hex73669

472681 has 8 divisors (see below), whose sum is σ = 522144. Its totient is φ = 424320.

The previous prime is 472669. The next prime is 472687. The reversal of 472681 is 186274.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-472681 is a prime.

It is a super-2 number, since 2×4726812 = 446854655522, which contains 22 as substring.

It is a Duffinian number.

472681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (472687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846 + ... + 1288.

It is an arithmetic number, because the mean of its divisors is an integer number (65268).

2472681 is an apocalyptic number.

It is an amenable number.

472681 is a deficient number, since it is larger than the sum of its proper divisors (49463).

472681 is a wasteful number, since it uses less digits than its factorization.

472681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551.

The product of its digits is 2688, while the sum is 28.

The square root of 472681 is about 687.5179997644. The cubic root of 472681 is about 77.8973556701.

The spelling of 472681 in words is "four hundred seventy-two thousand, six hundred eighty-one".

Divisors: 1 11 97 443 1067 4873 42971 472681