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472447017 = 32717441127
BaseRepresentation
bin11100001010001…
…111100000101001
31012220222210110200
4130022033200221
51431421301032
6114514102413
714464506360
oct3412174051
91186883420
10472447017
11222758489
1211227aa09
1376b58b63
1446a627d7
152b72447c
hex1c28f829

472447017 has 24 divisors (see below), whose sum is σ = 825791616. Its totient is φ = 254088576.

The previous prime is 472446967. The next prime is 472447061. The reversal of 472447017 is 710744274.

It is not a de Polignac number, because 472447017 - 214 = 472430633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (472447067) 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 23 ways as a sum of consecutive naturals, for example, 219493 + ... + 221634.

It is an arithmetic number, because the mean of its divisors is an integer number (34407984).

Almost surely, 2472447017 is an apocalyptic number.

It is an amenable number.

472447017 is a deficient number, since it is larger than the sum of its proper divisors (353344599).

472447017 is a wasteful number, since it uses less digits than its factorization.

472447017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441157 (or 441154 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 36.

The square root of 472447017 is about 21735.8463603330. The cubic root of 472447017 is about 778.8450016058.

The spelling of 472447017 in words is "four hundred seventy-two million, four hundred forty-seven thousand, seventeen".

Divisors: 1 3 7 9 17 21 51 63 119 153 357 1071 441127 1323381 3087889 3970143 7499159 9263667 22497477 27791001 52494113 67492431 157482339 472447017