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472731005 = 51013172953
BaseRepresentation
bin11100001011010…
…100110101111101
31012221112020000202
4130023110311331
51432004343010
6114524133245
714500101335
oct3413246575
91187466022
10472731005
1122293188a
12112397225
1376c281b6
1446ad80c5
152b77d6a5
hex1c2d4d7d

472731005 has 16 divisors (see below), whose sum is σ = 574895664. Its totient is φ = 373132800.

The previous prime is 472730987. The next prime is 472731011. The reversal of 472731005 is 500137274.

It can be written as a sum of positive squares in 8 ways, for example, as 6646084 + 466084921 = 2578^2 + 21589^2 .

It is not a de Polignac number, because 472731005 - 212 = 472726909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158609 + ... + 161561.

It is an arithmetic number, because the mean of its divisors is an integer number (35930979).

Almost surely, 2472731005 is an apocalyptic number.

It is an amenable number.

472731005 is a deficient number, since it is larger than the sum of its proper divisors (102164659).

472731005 is a wasteful number, since it uses less digits than its factorization.

472731005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 472731005 is about 21742.3780898043. The cubic root of 472731005 is about 779.0010249788.

Adding to 472731005 its reverse (500137274), we get a palindrome (972868279).

The spelling of 472731005 in words is "four hundred seventy-two million, seven hundred thirty-one thousand, five".

Divisors: 1 5 101 317 505 1585 2953 14765 32017 160085 298253 936101 1491265 4680505 94546201 472731005