Search a number
-
+
486381 = 37192353
BaseRepresentation
bin1110110101111101101
3220201012010
41312233231
5111031011
614231433
74064010
oct1665755
9821163
10486381
11302475
121b5579
131404cc
14c9377
15991a6
hex76bed

486381 has 32 divisors (see below), whose sum is σ = 829440. Its totient is φ = 247104.

The previous prime is 486379. The next prime is 486389. The reversal of 486381 is 183684.

It is a happy number.

It is not a de Polignac number, because 486381 - 21 = 486379 is a prime.

It is a super-2 number, since 2×4863812 = 473132954322, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9151 + ... + 9203.

It is an arithmetic number, because the mean of its divisors is an integer number (25920).

2486381 is an apocalyptic number.

It is an amenable number.

486381 is a deficient number, since it is larger than the sum of its proper divisors (343059).

486381 is a wasteful number, since it uses less digits than its factorization.

486381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105.

The product of its digits is 4608, while the sum is 30.

The square root of 486381 is about 697.4102092743. The cubic root of 486381 is about 78.6427817781.

The spelling of 486381 in words is "four hundred eighty-six thousand, three hundred eighty-one".

Divisors: 1 3 7 19 21 23 53 57 69 133 159 161 371 399 437 483 1007 1113 1219 1311 3021 3059 3657 7049 8533 9177 21147 23161 25599 69483 162127 486381