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506806 = 21913337
BaseRepresentation
bin1111011101110110110
3221202012121
41323232312
5112204211
614510154
74210366
oct1735666
9852177
10506806
11316853
1220535a
131498b1
14d29a6
15a0271
hex7bbb6

506806 has 8 divisors (see below), whose sum is σ = 800280. Its totient is φ = 240048.

The previous prime is 506797. The next prime is 506809. The reversal of 506806 is 608605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506809) by changing a digit.

506806 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6631 + ... + 6706.

It is an arithmetic number, because the mean of its divisors is an integer number (100035).

2506806 is an apocalyptic number.

506806 is a deficient number, since it is larger than the sum of its proper divisors (293474).

506806 is a wasteful number, since it uses less digits than its factorization.

506806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13358.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 506806 is about 711.9030832915. The cubic root of 506806 is about 79.7285592070.

The spelling of 506806 in words is "five hundred six thousand, eight hundred six".

Divisors: 1 2 19 38 13337 26674 253403 506806