Search a number
-
+
472780737 = 3211132111741
BaseRepresentation
bin11100001011100…
…000111111000001
31012221121202020200
4130023200333001
51432012440422
6114525155413
714500366332
oct3413407701
91187552220
10472780737
11222966190
121123bbb69
1376c44a20
1446b0c289
152b78d2ac
hex1c2e0fc1

472780737 has 48 divisors (see below), whose sum is σ = 806559936. Its totient is φ = 263088000.

The previous prime is 472780691. The next prime is 472780751. The reversal of 472780737 is 737087274.

It is not a de Polignac number, because 472780737 - 26 = 472780673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 472780692 and 472780701.

It is not an unprimeable number, because it can be changed into a prime (472780237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 270687 + ... + 272427.

It is an arithmetic number, because the mean of its divisors is an integer number (16803332).

Almost surely, 2472780737 is an apocalyptic number.

It is an amenable number.

472780737 is a deficient number, since it is larger than the sum of its proper divisors (333779199).

472780737 is a wasteful number, since it uses less digits than its factorization.

472780737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 45.

The square root of 472780737 is about 21743.5217248724. The cubic root of 472780737 is about 779.0283413738.

The spelling of 472780737 in words is "four hundred seventy-two million, seven hundred eighty thousand, seven hundred thirty-seven".

Divisors: 1 3 9 11 13 33 39 99 117 143 211 429 633 1287 1741 1899 2321 2743 5223 6963 8229 15669 19151 20889 22633 24687 30173 57453 67899 90519 172359 203697 248963 271557 367351 746889 1102053 2240667 3306159 4040861 4775563 12122583 14326689 36367749 42980067 52531193 157593579 472780737