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480885989 = 1797126759
BaseRepresentation
bin11100101010011…
…011110011100101
31020111212112120012
4130222123303211
51441101322424
6115415020005
714626314653
oct3452336345
91214775505
10480885989
112274a1841
1211506a605
137882202c
1447c1bdd3
152c33eb0e
hex1ca9bce5

480885989 has 4 divisors (see below), whose sum is σ = 480930720. Its totient is φ = 480841260.

The previous prime is 480885983. The next prime is 480886037. The reversal of 480885989 is 989588084.

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, 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 480885989 - 24 = 480885973 is a prime.

It is a super-3 number, since 3×4808859893 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480885983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4592 + ... + 31350.

It is an arithmetic number, because the mean of its divisors is an integer number (120232680).

Almost surely, 2480885989 is an apocalyptic number.

It is an amenable number.

480885989 is a deficient number, since it is larger than the sum of its proper divisors (44731).

480885989 is a wasteful number, since it uses less digits than its factorization.

480885989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44730.

The product of its (nonzero) digits is 6635520, while the sum is 59.

The square root of 480885989 is about 21929.1128183518. The cubic root of 480885989 is about 783.4549723684.

The spelling of 480885989 in words is "four hundred eighty million, eight hundred eighty-five thousand, nine hundred eighty-nine".

Divisors: 1 17971 26759 480885989