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481533913 = 768790559
BaseRepresentation
bin11100101100111…
…001111111011001
31020120002110100101
4130230321333121
51441233041123
6115440535401
714634653650
oct3454717731
91216073311
10481533913
112278a4613
12115321561
13789bac13
1447d4a197
152c41baad
hex1cb39fd9

481533913 has 4 divisors (see below), whose sum is σ = 550324480. Its totient is φ = 412743348.

The previous prime is 481533907. The next prime is 481533931. The reversal of 481533913 is 319335184.

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 481533913 - 217 = 481402841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481533953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34395273 + ... + 34395286.

It is an arithmetic number, because the mean of its divisors is an integer number (137581120).

Almost surely, 2481533913 is an apocalyptic number.

It is an amenable number.

481533913 is a deficient number, since it is larger than the sum of its proper divisors (68790567).

481533913 is an equidigital number, since it uses as much as digits as its factorization.

481533913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68790566.

The product of its digits is 38880, while the sum is 37.

The square root of 481533913 is about 21943.8809922037. The cubic root of 481533913 is about 783.8066783726.

The spelling of 481533913 in words is "four hundred eighty-one million, five hundred thirty-three thousand, nine hundred thirteen".

Divisors: 1 7 68790559 481533913