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478463 = 557859
BaseRepresentation
bin1110100110011111111
3220022022212
41310303333
5110302323
614131035
74031636
oct1646377
9808285
10478463
112a7527
121b0a7b
13139a1b
14c651d
1596b78
hex74cff

478463 has 4 divisors (see below), whose sum is σ = 479880. Its totient is φ = 477048.

The previous prime is 478459. The next prime is 478481. The reversal of 478463 is 364874.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 478463 - 22 = 478459 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 (478403) 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, 128 + ... + 986.

It is an arithmetic number, because the mean of its divisors is an integer number (119970).

2478463 is an apocalyptic number.

478463 is a deficient number, since it is larger than the sum of its proper divisors (1417).

478463 is an equidigital number, since it uses as much as digits as its factorization.

478463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416.

The product of its digits is 16128, while the sum is 32.

The square root of 478463 is about 691.7101994333. The cubic root of 478463 is about 78.2136919138.

The spelling of 478463 in words is "four hundred seventy-eight thousand, four hundred sixty-three".

Divisors: 1 557 859 478463