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471523421 = 6740917207
BaseRepresentation
bin11100000110101…
…110000001011101
31012212020212112102
4130012232001131
51431202222141
6114442214445
714453611565
oct3406560135
91185225472
10471523421
11222187586
12111ab4425
13768c4655
14468a1da5
152b5e099b
hex1c1ae05d

471523421 has 8 divisors (see below), whose sum is σ = 479759040. Its totient is φ = 463323168.

The previous prime is 471523387. The next prime is 471523453. The reversal of 471523421 is 124325174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 471523421 - 226 = 404414557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471523121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18800 + ... + 36006.

It is an arithmetic number, because the mean of its divisors is an integer number (59969880).

Almost surely, 2471523421 is an apocalyptic number.

It is an amenable number.

471523421 is a deficient number, since it is larger than the sum of its proper divisors (8235619).

471523421 is a wasteful number, since it uses less digits than its factorization.

471523421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17683.

The product of its digits is 6720, while the sum is 29.

The square root of 471523421 is about 21714.5900490891. The cubic root of 471523421 is about 778.3371440321.

Adding to 471523421 its reverse (124325174), we get a palindrome (595848595).

The spelling of 471523421 in words is "four hundred seventy-one million, five hundred twenty-three thousand, four hundred twenty-one".

Divisors: 1 67 409 17207 27403 1152869 7037663 471523421