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506969 = 3971277
BaseRepresentation
bin1111011110001011001
3221202102122
41323301121
5112210334
614511025
74211021
oct1736131
9852378
10506969
11316991
12205475
131499a8
14d2a81
15a032e
hex7bc59

506969 has 4 divisors (see below), whose sum is σ = 508644. Its totient is φ = 505296.

The previous prime is 506963. The next prime is 506983. The reversal of 506969 is 969605.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 336400 + 170569 = 580^2 + 413^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-506969 is a prime.

It is a super-2 number, since 2×5069692 = 514035133922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506963) 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, 242 + ... + 1035.

It is an arithmetic number, because the mean of its divisors is an integer number (127161).

2506969 is an apocalyptic number.

It is an amenable number.

506969 is a deficient number, since it is larger than the sum of its proper divisors (1675).

506969 is a wasteful number, since it uses less digits than its factorization.

506969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 506969 is about 712.0175559633. The cubic root of 506969 is about 79.7371057792.

It can be divided in two parts, 50696 and 9, that added together give a palindrome (50705).

The spelling of 506969 in words is "five hundred six thousand, nine hundred sixty-nine".

Divisors: 1 397 1277 506969