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478542605 = 5175629913
BaseRepresentation
bin11100100001011…
…111101100001101
31020100110111001012
4130201133230031
51440001330410
6115252455005
714600354642
oct3441375415
91210414035
10478542605
11226141162
1211431a465
13781b1508
14477abdc9
152c02a605
hex1c85fb0d

478542605 has 8 divisors (see below), whose sum is σ = 608030712. Its totient is φ = 360314368.

The previous prime is 478542593. The next prime is 478542619. The reversal of 478542605 is 506245874.

It can be written as a sum of positive squares in 4 ways, for example, as 7912969 + 470629636 = 2813^2 + 21694^2 .

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 478542605 - 218 = 478280461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2814872 + ... + 2815041.

It is an arithmetic number, because the mean of its divisors is an integer number (76003839).

Almost surely, 2478542605 is an apocalyptic number.

It is an amenable number.

478542605 is a deficient number, since it is larger than the sum of its proper divisors (129488107).

478542605 is a wasteful number, since it uses less digits than its factorization.

478542605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5629935.

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 478542605 is about 21875.6166770219. The cubic root of 478542605 is about 782.1802931343.

The spelling of 478542605 in words is "four hundred seventy-eight million, five hundred forty-two thousand, six hundred five".

Divisors: 1 5 17 85 5629913 28149565 95708521 478542605