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481072681 = 1791131063
BaseRepresentation
bin11100101011001…
…001011000101001
31020112020000122201
4130223021120221
51441123311211
6115423020201
714631023155
oct3453113051
91215200581
10481072681
1122760a031
1211513a661
1378888cbb
1447c6a065
152c37a0c1
hex1cac9629

481072681 has 8 divisors (see below), whose sum is σ = 509946624. Its totient is φ = 452262720.

The previous prime is 481072661. The next prime is 481072729. The reversal of 481072681 is 186270184.

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 481072681 - 215 = 481039913 is a prime.

It is a super-2 number, since 2×4810726812 = 462861848809055522, which contains 22 as substring.

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 481072681.

It is not an unprimeable number, because it can be changed into a prime (481072651) 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, 45 + ... + 31018.

It is an arithmetic number, because the mean of its divisors is an integer number (63743328).

Almost surely, 2481072681 is an apocalyptic number.

It is an amenable number.

481072681 is a deficient number, since it is larger than the sum of its proper divisors (28873943).

481072681 is a wasteful number, since it uses less digits than its factorization.

481072681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31991.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 481072681 is about 21933.3691210448. The cubic root of 481072681 is about 783.5563448734.

The spelling of 481072681 in words is "four hundred eighty-one million, seventy-two thousand, six hundred eighty-one".

Divisors: 1 17 911 15487 31063 528071 28298393 481072681