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480469 = 11311409
BaseRepresentation
bin1110101010011010101
3220102002011
41311103111
5110333334
614144221
74040533
oct1652325
9812064
10480469
112a8a90
121b2071
1313a902
14c7153
1597564
hex754d5

480469 has 8 divisors (see below), whose sum is σ = 541440. Its totient is φ = 422400.

The previous prime is 480463. The next prime is 480499. The reversal of 480469 is 964084.

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

It is not a de Polignac number, because 480469 - 23 = 480461 is a prime.

It is a super-2 number, since 2×4804692 = 461700919922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 480469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480461) 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 7 ways as a sum of consecutive naturals, for example, 364 + ... + 1045.

It is an arithmetic number, because the mean of its divisors is an integer number (67680).

2480469 is an apocalyptic number.

It is an amenable number.

480469 is a deficient number, since it is larger than the sum of its proper divisors (60971).

480469 is a wasteful number, since it uses less digits than its factorization.

480469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 480469 is about 693.1587119845. The cubic root of 480469 is about 78.3228455352.

It can be divided in two parts, 480 and 469, that added together give a palindrome (949).

The spelling of 480469 in words is "four hundred eighty thousand, four hundred sixty-nine".

Divisors: 1 11 31 341 1409 15499 43679 480469