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481016881 = 2937934373
BaseRepresentation
bin11100101010111…
…011110000110001
31020112010012010001
4130222323300301
51441120020011
6115421510001
714630401402
oct3452736061
91215105101
10481016881
11227581114
12115112301
1378869797
1447c539a9
152c3687c1
hex1cabbc31

481016881 has 8 divisors (see below), whose sum is σ = 497848680. Its totient is φ = 464201472.

The previous prime is 481016839. The next prime is 481016927. The reversal of 481016881 is 188610184.

It can be written as a sum of positive squares in 4 ways, for example, as 34117281 + 446899600 = 5841^2 + 21140^2 .

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 481016881 - 217 = 480885809 is a prime.

It is a super-3 number, since 3×4810168813 (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 481016881.

It is not an unprimeable number, because it can be changed into a prime (481016831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107811 + ... + 112183.

It is an arithmetic number, because the mean of its divisors is an integer number (62231085).

Almost surely, 2481016881 is an apocalyptic number.

It is an amenable number.

481016881 is a deficient number, since it is larger than the sum of its proper divisors (16831799).

481016881 is a wasteful number, since it uses less digits than its factorization.

481016881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8195.

The product of its (nonzero) digits is 12288, while the sum is 37.

The square root of 481016881 is about 21932.0970497579. The cubic root of 481016881 is about 783.5260485957.

The spelling of 481016881 in words is "four hundred eighty-one million, sixteen thousand, eight hundred eighty-one".

Divisors: 1 29 3793 4373 109997 126817 16586789 481016881