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472702321 = 71310151431
BaseRepresentation
bin11100001011001…
…101110101110001
31012221110202200101
4130023031311301
51432002433241
6114523352401
714466621610
oct3413156561
91187422611
10472702321
11222912283
12112382701
1376c18120
1446acb877
152b774e31
hex1c2cdd71

472702321 has 16 divisors (see below), whose sum is σ = 587559168. Its totient is φ = 370296000.

The previous prime is 472702301. The next prime is 472702327. The reversal of 472702321 is 123207274.

472702321 = 22342 + 22352 + ... + 23242.

It is a cyclic number.

It is not a de Polignac number, because 472702321 - 27 = 472702193 is a prime.

It is a super-3 number, since 3×4727023213 (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 472702321.

It is not an unprimeable number, because it can be changed into a prime (472702327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16525 + ... + 34906.

It is an arithmetic number, because the mean of its divisors is an integer number (36722448).

Almost surely, 2472702321 is an apocalyptic number.

It is an amenable number.

472702321 is a deficient number, since it is larger than the sum of its proper divisors (114856847).

472702321 is a wasteful number, since it uses less digits than its factorization.

472702321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51552.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 472702321 is about 21741.7184463418. The cubic root of 472702321 is about 778.9852687897.

Adding to 472702321 its reverse (123207274), we get a palindrome (595909595).

The spelling of 472702321 in words is "four hundred seventy-two million, seven hundred two thousand, three hundred twenty-one".

Divisors: 1 7 13 91 101 707 1313 9191 51431 360017 668603 4680221 5194531 36361717 67528903 472702321