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607231 = 2920939
BaseRepresentation
bin10010100001111111111
31010211222001
42110033333
5123412411
621003131
75106232
oct2241777
91124861
10607231
11385249
122534a7
13183511
1411b419
15bedc1
hex943ff

607231 has 4 divisors (see below), whose sum is σ = 628200. Its totient is φ = 586264.

The previous prime is 607219. The next prime is 607249. The reversal of 607231 is 132706.

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

It is not a de Polignac number, because 607231 - 25 = 607199 is a prime.

It is a super-2 number, since 2×6072312 = 737458974722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 607199 and 607208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (607261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10441 + ... + 10498.

It is an arithmetic number, because the mean of its divisors is an integer number (157050).

2607231 is an apocalyptic number.

607231 is a deficient number, since it is larger than the sum of its proper divisors (20969).

607231 is a wasteful number, since it uses less digits than its factorization.

607231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20968.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 607231 is about 779.2502807186. The cubic root of 607231 is about 84.6807400776.

Adding to 607231 its reverse (132706), we get a palindrome (739937).

It can be divided in two parts, 607 and 231, that added together give a palindrome (838).

The spelling of 607231 in words is "six hundred seven thousand, two hundred thirty-one".

Divisors: 1 29 20939 607231