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472422820 = 22528184061
BaseRepresentation
bin11100001010001…
…001100110100100
31012220221120021111
4130022021212210
51431420012240
6114513354404
714464346002
oct3412114644
91186846244
10472422820
11222741291
12112268a04
1376b4ab3c
1446a57a72
152b71c1ea
hex1c2899a4

472422820 has 24 divisors (see below), whose sum is σ = 995630328. Its totient is φ = 188294400.

The previous prime is 472422817. The next prime is 472422833. The reversal of 472422820 is 28224274.

It can be written as a sum of positive squares in 4 ways, for example, as 3786916 + 468635904 = 1946^2 + 21648^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36411 + ... + 47650.

It is an arithmetic number, because the mean of its divisors is an integer number (41484597).

Almost surely, 2472422820 is an apocalyptic number.

It is an amenable number.

472422820 is an abundant number, since it is smaller than the sum of its proper divisors (523207508).

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

472422820 is a wasteful number, since it uses less digits than its factorization.

472422820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84351 (or 84349 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 472422820 is about 21735.2897381194. The cubic root of 472422820 is about 778.8317048526.

The spelling of 472422820 in words is "four hundred seventy-two million, four hundred twenty-two thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 281 562 1124 1405 2810 5620 84061 168122 336244 420305 840610 1681220 23621141 47242282 94484564 118105705 236211410 472422820