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5005531 = 171915497
BaseRepresentation
bin10011000110000011011011
3100102022022001
4103012003123
52240134111
6255141431
760355246
oct23060333
910368261
105005531
112909803
121814877
13106346b
1494425d
1568d1c1
hex4c60db

5005531 has 8 divisors (see below), whose sum is σ = 5579280. Its totient is φ = 4462848.

The previous prime is 5005523. The next prime is 5005549. The reversal of 5005531 is 1355005.

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

It is a cyclic number.

It is not a de Polignac number, because 5005531 - 23 = 5005523 is a prime.

It is a super-2 number, since 2×50055312 = 50110681183922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

5005531 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5005499 and 5005508.

It is not an unprimeable number, because it can be changed into a prime (5005031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7426 + ... + 8071.

It is an arithmetic number, because the mean of its divisors is an integer number (697410).

Almost surely, 25005531 is an apocalyptic number.

5005531 is a deficient number, since it is larger than the sum of its proper divisors (573749).

5005531 is a wasteful number, since it uses less digits than its factorization.

5005531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15533.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 5005531 is about 2237.3044048587. The cubic root of 5005531 is about 171.0606239455.

It can be divided in two parts, 50055 and 31, that added together give a triangular number (50086 = T316).

The spelling of 5005531 in words is "five million, five thousand, five hundred thirty-one".

Divisors: 1 17 19 323 15497 263449 294443 5005531