Search a number
-
+
506140 = 22525307
BaseRepresentation
bin1111011100100011100
3221201021221
41323210130
5112144030
614503124
74205425
oct1734434
9851257
10506140
113162a8
12204aa4
131494bb
14d264c
159ee7a
hex7b91c

506140 has 12 divisors (see below), whose sum is σ = 1062936. Its totient is φ = 202448.

The previous prime is 506131. The next prime is 506147. The reversal of 506140 is 41605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12634 + ... + 12673.

It is an arithmetic number, because the mean of its divisors is an integer number (88578).

2506140 is an apocalyptic number.

It is an amenable number.

506140 is an abundant number, since it is smaller than the sum of its proper divisors (556796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506140 is a wasteful number, since it uses less digits than its factorization.

506140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25316 (or 25314 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 506140 is about 711.4351692178. The cubic root of 506140 is about 79.6936198043.

Adding to 506140 its reverse (41605), we get a palindrome (547745).

It can be divided in two parts, 506 and 140, that added together give a palindrome (646).

The spelling of 506140 in words is "five hundred six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 25307 50614 101228 126535 253070 506140