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508013 = 1146183
BaseRepresentation
bin1111100000001101101
3221210212022
41330001231
5112224023
614515525
74214042
oct1740155
9853768
10508013
11317750
12205ba5
1314a2cc
14d31c9
15a07c8
hex7c06d

508013 has 4 divisors (see below), whose sum is σ = 554208. Its totient is φ = 461820.

The previous prime is 508009. The next prime is 508019. The reversal of 508013 is 310805.

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 508013 - 22 = 508009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 507982 and 508000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508019) 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, 23081 + ... + 23102.

It is an arithmetic number, because the mean of its divisors is an integer number (138552).

2508013 is an apocalyptic number.

It is an amenable number.

508013 is a deficient number, since it is larger than the sum of its proper divisors (46195).

508013 is a wasteful number, since it uses less digits than its factorization.

508013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46194.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 508013 is about 712.7503069098. The cubic root of 508013 is about 79.7918023920.

Adding to 508013 its reverse (310805), we get a palindrome (818818).

The spelling of 508013 in words is "five hundred eight thousand, thirteen".

Divisors: 1 11 46183 508013