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481065481 = 1337005037
BaseRepresentation
bin11100101011000…
…111101000001001
31020112012122210001
4130223013220021
51441123043411
6115422523001
714630663161
oct3453075011
91215178701
10481065481
11227604686
12115136461
1378885940
1447c675a1
152c377dc1
hex1cac7a09

481065481 has 4 divisors (see below), whose sum is σ = 518070532. Its totient is φ = 444060432.

The previous prime is 481065479. The next prime is 481065509. The reversal of 481065481 is 184560184.

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 93605625 + 387459856 = 9675^2 + 19684^2 .

It is a cyclic number.

It is not a de Polignac number, because 481065481 - 21 = 481065479 is a prime.

It is a super-3 number, since 3×4810654813 (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 481065481.

It is not an unprimeable number, because it can be changed into a prime (481065421) 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, 18502506 + ... + 18502531.

It is an arithmetic number, because the mean of its divisors is an integer number (129517633).

Almost surely, 2481065481 is an apocalyptic number.

It is an amenable number.

481065481 is a deficient number, since it is larger than the sum of its proper divisors (37005051).

481065481 is a wasteful number, since it uses less digits than its factorization.

481065481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37005050.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 481065481 is about 21933.2049869598. The cubic root of 481065481 is about 783.5524358079.

The spelling of 481065481 in words is "four hundred eighty-one million, sixty-five thousand, four hundred eighty-one".

Divisors: 1 13 37005037 481065481