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5630531 = 15233697
BaseRepresentation
bin10101011110101001000011
3101121001122012
4111132221003
52420134111
6320403135
765600354
oct25365103
911531565
105630531
1131a6335
121a764ab
131221a9a
14a67d2b
1576348b
hex55ea43

5630531 has 4 divisors (see below), whose sum is σ = 5635752. Its totient is φ = 5625312.

The previous prime is 5630507. The next prime is 5630533. The reversal of 5630531 is 1350365.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1350365 = 5270073.

It is a cyclic number.

It is not a de Polignac number, because 5630531 - 26 = 5630467 is a prime.

It is a super-2 number, since 2×56305312 = 63405758683922, 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 = 5630497 and 5630506.

It is not an unprimeable number, because it can be changed into a prime (5630533) 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, 326 + ... + 3371.

It is an arithmetic number, because the mean of its divisors is an integer number (1408938).

Almost surely, 25630531 is an apocalyptic number.

5630531 is a deficient number, since it is larger than the sum of its proper divisors (5221).

5630531 is a wasteful number, since it uses less digits than its factorization.

5630531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 5630531 is about 2372.8739958118. The cubic root of 5630531 is about 177.9029370238.

Adding to 5630531 its reverse (1350365), we get a palindrome (6980896).

The spelling of 5630531 in words is "five million, six hundred thirty thousand, five hundred thirty-one".

Divisors: 1 1523 3697 5630531