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473202640 = 2455915033
BaseRepresentation
bin11100001101000…
…111111111010000
31012222102011222201
4130031013333100
51432114441030
6114542212544
714504104351
oct3415077720
91188364881
10473202640
11223124169
12112584154
1377061a81
1446bbbd28
152b8232ca
hex1c347fd0

473202640 has 20 divisors (see below), whose sum is σ = 1100196324. Its totient is φ = 189281024.

The previous prime is 473202577. The next prime is 473202641. The reversal of 473202640 is 46202374.

It can be written as a sum of positive squares in 2 ways, for example, as 144288144 + 328914496 = 12012^2 + 18136^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 473202599 and 473202608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473202641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2957437 + ... + 2957596.

Almost surely, 2473202640 is an apocalyptic number.

473202640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

473202640 is an abundant number, since it is smaller than the sum of its proper divisors (626993684).

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

473202640 is a wasteful number, since it uses less digits than its factorization.

473202640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5915046 (or 5915040 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 473202640 is about 21753.2213706384. The cubic root of 473202640 is about 779.2600038541.

The spelling of 473202640 in words is "four hundred seventy-three million, two hundred two thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 5915033 11830066 23660132 29575165 47320264 59150330 94640528 118300660 236601320 473202640