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480948389 = 701686089
BaseRepresentation
bin11100101010101…
…011000010100101
31020111222201011022
4130222223002211
51441110322024
6115420220525
714626664615
oct3452530245
91214881138
10480948389
11227534709
1211509a745
137884455c
1447c36a45
152c35335e
hex1caab0a5

480948389 has 4 divisors (see below), whose sum is σ = 481635180. Its totient is φ = 480261600.

The previous prime is 480948367. The next prime is 480948401. The reversal of 480948389 is 983849084.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 429940225 + 51008164 = 20735^2 + 7142^2 .

It is a cyclic number.

It is not a de Polignac number, because 480948389 - 228 = 212512933 is a prime.

It is a super-3 number, since 3×4809483893 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 480948389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480948329) 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, 342344 + ... + 343745.

It is an arithmetic number, because the mean of its divisors is an integer number (120408795).

Almost surely, 2480948389 is an apocalyptic number.

It is an amenable number.

480948389 is a deficient number, since it is larger than the sum of its proper divisors (686791).

480948389 is an equidigital number, since it uses as much as digits as its factorization.

480948389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686790.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The square root of 480948389 is about 21930.5355383766. The cubic root of 480948389 is about 783.4888580690.

The spelling of 480948389 in words is "four hundred eighty million, nine hundred forty-eight thousand, three hundred eighty-nine".

Divisors: 1 701 686089 480948389