Search a number
-
+
60481 = 311951
BaseRepresentation
bin1110110001000001
310001222001
432301001
53413411
61144001
7341221
oct166101
9101861
1060481
1141493
122b001
13216b5
1418081
1512dc1
hexec41

60481 has 4 divisors (see below), whose sum is σ = 62464. Its totient is φ = 58500.

The previous prime is 60457. The next prime is 60493. The reversal of 60481 is 18406.

60481 is nontrivially palindromic in base 14.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18406 = 29203.

It is a cyclic number.

It is not a de Polignac number, because 60481 - 25 = 60449 is a prime.

It is a super-2 number, since 2×604812 = 7315902722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (67481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945 + ... + 1006.

It is an arithmetic number, because the mean of its divisors is an integer number (15616).

260481 is an apocalyptic number.

It is an amenable number.

60481 is a deficient number, since it is larger than the sum of its proper divisors (1983).

60481 is a wasteful number, since it uses less digits than its factorization.

60481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 60481 is about 245.9288514998. The cubic root of 60481 is about 39.2530120614.

Adding to 60481 its reverse (18406), we get a palindrome (78887).

The spelling of 60481 in words is "sixty thousand, four hundred eighty-one".

Divisors: 1 31 1951 60481