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478538963 = 794172649
BaseRepresentation
bin11100100001011…
…110110011010011
31020100110022001022
4130201132303103
51440001221323
6115252430055
714600341220
oct3441366323
91210408038
10478538963
11226139451
1211431832b
13781ac966
14477aa947
152c0294c8
hex1c85ecd3

478538963 has 8 divisors (see below), whose sum is σ = 547490400. Its totient is φ = 409734720.

The previous prime is 478538903. The next prime is 478538969. The reversal of 478538963 is 369835874.

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 478538963 - 224 = 461761747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478538969) 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, 29738 + ... + 42911.

It is an arithmetic number, because the mean of its divisors is an integer number (68436300).

Almost surely, 2478538963 is an apocalyptic number.

478538963 is a deficient number, since it is larger than the sum of its proper divisors (68951437).

478538963 is an equidigital number, since it uses as much as digits as its factorization.

478538963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73597.

The product of its digits is 4354560, while the sum is 53.

The square root of 478538963 is about 21875.5334334960. The cubic root of 478538963 is about 782.1783088402.

The spelling of 478538963 in words is "four hundred seventy-eight million, five hundred thirty-eight thousand, nine hundred sixty-three".

Divisors: 1 7 941 6587 72649 508543 68362709 478538963