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481120891 = 11326316189
BaseRepresentation
bin11100101011010…
…101001001111011
31020112022110210021
4130223111021323
51441131332031
6115424031311
714631313546
oct3453251173
91215273707
10481120891
11227642279
12115162537
13788a4c24
1447c7d85d
152c389511
hex1cad527b

481120891 has 8 divisors (see below), whose sum is σ = 487254240. Its totient is φ = 475020672.

The previous prime is 481120889. The next prime is 481120901. The reversal of 481120891 is 198021184.

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

It is a cyclic number.

It is not a de Polignac number, because 481120891 - 21 = 481120889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481120841) 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 7 ways as a sum of consecutive naturals, for example, 21625 + ... + 37813.

It is an arithmetic number, because the mean of its divisors is an integer number (60906780).

Almost surely, 2481120891 is an apocalyptic number.

481120891 is a deficient number, since it is larger than the sum of its proper divisors (6133349).

481120891 is a wasteful number, since it uses less digits than its factorization.

481120891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16565.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 481120891 is about 21934.4681038771. The cubic root of 481120891 is about 783.5825183194.

The spelling of 481120891 in words is "four hundred eighty-one million, one hundred twenty thousand, eight hundred ninety-one".

Divisors: 1 113 263 16189 29719 1829357 4257707 481120891