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472805481 = 31941307659
BaseRepresentation
bin11100001011100…
…111000001101001
31012221200000012010
4130023213001221
51432014233411
6114525510133
714500531431
oct3413470151
91187600163
10472805481
11222982835
12112412349
1376c53075
1446b172c1
152b7957a6
hex1c2e7069

472805481 has 32 divisors (see below), whose sum is σ = 683020800. Its totient is φ = 289941120.

The previous prime is 472805407. The next prime is 472805569. The reversal of 472805481 is 184508274.

It is a happy number.

It is not a de Polignac number, because 472805481 - 27 = 472805353 is a prime.

It is a super-2 number, since 2×4728054812 = 447090045727282722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (472805681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 717130 + ... + 717788.

It is an arithmetic number, because the mean of its divisors is an integer number (21344400).

Almost surely, 2472805481 is an apocalyptic number.

472805481 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

472805481 is a deficient number, since it is larger than the sum of its proper divisors (210215319).

472805481 is a wasteful number, since it uses less digits than its factorization.

472805481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029.

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 472805481 is about 21744.0907144907. The cubic root of 472805481 is about 779.0419318464.

The spelling of 472805481 in words is "four hundred seventy-two million, eight hundred five thousand, four hundred eighty-one".

Divisors: 1 3 19 41 57 123 307 659 779 921 1977 2337 5833 12521 12587 17499 27019 37563 37761 81057 202313 239153 513361 606939 717459 1540083 3843947 8294833 11531841 24884499 157601827 472805481