Search a number
-
+
481027857 = 3160342619
BaseRepresentation
bin11100101010111…
…110011100010001
31020112010202011120
4130222332130101
51441120342412
6115422032453
714630445402
oct3452763421
91215122146
10481027857
11227589392
12115118729
137887178b
1447c579a9
152c36bb8c
hex1cabe711

481027857 has 4 divisors (see below), whose sum is σ = 641370480. Its totient is φ = 320685236.

The previous prime is 481027849. The next prime is 481027873. The reversal of 481027857 is 758720184.

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 481027857 - 23 = 481027849 is a prime.

It is a super-3 number, since 3×4810278573 (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (481027817) 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, 80171307 + ... + 80171312.

It is an arithmetic number, because the mean of its divisors is an integer number (160342620).

Almost surely, 2481027857 is an apocalyptic number.

It is an amenable number.

481027857 is a deficient number, since it is larger than the sum of its proper divisors (160342623).

481027857 is a wasteful number, since it uses less digits than its factorization.

481027857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160342622.

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 481027857 is about 21932.3472752006. The cubic root of 481027857 is about 783.5320081346.

The spelling of 481027857 in words is "four hundred eighty-one million, twenty-seven thousand, eight hundred fifty-seven".

Divisors: 1 3 160342619 481027857