Search a number
-
+
478633 = 4311131
BaseRepresentation
bin1110100110110101001
3220022120011
41310312221
5110304013
614131521
74032301
oct1646651
9808504
10478633
112a7671
121b0ba1
13139b1c
14c6601
1596c3d
hex74da9

478633 has 4 divisors (see below), whose sum is σ = 489808. Its totient is φ = 467460.

The previous prime is 478631. The next prime is 478637. The reversal of 478633 is 336874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 478633 - 21 = 478631 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 49 + 7 + 6 + 85 + 38 + 311 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 478595 and 478604.

It is not an unprimeable number, because it can be changed into a prime (478631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5523 + ... + 5608.

It is an arithmetic number, because the mean of its divisors is an integer number (122452).

2478633 is an apocalyptic number.

478633 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

478633 is a deficient number, since it is larger than the sum of its proper divisors (11175).

478633 is a wasteful number, since it uses less digits than its factorization.

478633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11174.

The product of its digits is 12096, while the sum is 31.

The square root of 478633 is about 691.8330723520. The cubic root of 478633 is about 78.2229540394. Note that the first 3 decimals are identical.

It can be divided in two parts, 478 and 633, that added together give a palindrome (1111).

The spelling of 478633 in words is "four hundred seventy-eight thousand, six hundred thirty-three".

Divisors: 1 43 11131 478633