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472739523 = 3157579841
BaseRepresentation
bin11100001011010…
…110111011000011
31012221112122201020
4130023112323003
51432010131043
6114524240523
714500135224
oct3413267303
91187478636
10472739523
11222938223
121123a0143
1376c2c039
1446adb24b
152b780e83
hex1c2d6ec3

472739523 has 4 divisors (see below), whose sum is σ = 630319368. Its totient is φ = 315159680.

The previous prime is 472739497. The next prime is 472739563. The reversal of 472739523 is 325937274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 472739523 - 29 = 472739011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (472739563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78789918 + ... + 78789923.

It is an arithmetic number, because the mean of its divisors is an integer number (157579842).

Almost surely, 2472739523 is an apocalyptic number.

472739523 is a deficient number, since it is larger than the sum of its proper divisors (157579845).

472739523 is a wasteful number, since it uses less digits than its factorization.

472739523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157579844.

The product of its digits is 317520, while the sum is 42.

The square root of 472739523 is about 21742.5739736582. The cubic root of 472739523 is about 779.0057038137.

The spelling of 472739523 in words is "four hundred seventy-two million, seven hundred thirty-nine thousand, five hundred twenty-three".

Divisors: 1 3 157579841 472739523