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470482640 = 2455881033
BaseRepresentation
bin11100000010101…
…111111011010000
31012210021222211222
4130002233323100
51430420421030
6114404024212
714442015335
oct3402577320
91183258758
10470482640
11221636631
12111692068
137661b9c4
14466b098c
152b4873e5
hex1c0afed0

470482640 has 20 divisors (see below), whose sum is σ = 1093872324. Its totient is φ = 188193024.

The previous prime is 470482627. The next prime is 470482657. The reversal of 470482640 is 46284074.

It can be written as a sum of positive squares in 2 ways, for example, as 313431616 + 157051024 = 17704^2 + 12532^2 .

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

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 470482640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2940437 + ... + 2940596.

Almost surely, 2470482640 is an apocalyptic number.

470482640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

470482640 is an abundant number, since it is smaller than the sum of its proper divisors (623389684).

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

470482640 is a wasteful number, since it uses less digits than its factorization.

470482640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881046 (or 5881040 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 470482640 is about 21690.6117940458. The cubic root of 470482640 is about 777.7640546029.

The spelling of 470482640 in words is "four hundred seventy million, four hundred eighty-two thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 5881033 11762066 23524132 29405165 47048264 58810330 94096528 117620660 235241320 470482640