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5305531 = 71168903
BaseRepresentation
bin10100001111010010111011
3100222112211011
4110033102323
52324234111
6305414351
763045010
oct24172273
910875734
105305531
112aa4140
12193a3b7
131139b8a
149c1707
156ec021
hex50f4bb

5305531 has 8 divisors (see below), whose sum is σ = 6614784. Its totient is φ = 4134120.

The previous prime is 5305511. The next prime is 5305537. The reversal of 5305531 is 1355035.

It is a happy number.

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 5305531 - 213 = 5297339 is a prime.

It is a super-2 number, since 2×53055312 = 56297318383922, which contains 22 as substring.

5305531 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5305537) 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 7 ways as a sum of consecutive naturals, for example, 34375 + ... + 34528.

It is an arithmetic number, because the mean of its divisors is an integer number (826848).

Almost surely, 25305531 is an apocalyptic number.

5305531 is a deficient number, since it is larger than the sum of its proper divisors (1309253).

5305531 is a wasteful number, since it uses less digits than its factorization.

5305531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68921.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 5305531 is about 2303.3738298418. The cubic root of 5305531 is about 174.4119691832.

The spelling of 5305531 in words is "five million, three hundred five thousand, five hundred thirty-one".

Divisors: 1 7 11 77 68903 482321 757933 5305531