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5310985 = 51062197
BaseRepresentation
bin10100010000101000001001
3100222211022011
4110100220021
52324422420
6305455521
763066631
oct24205011
910884264
105310985
112aa8249
1219415a1
13113c4c4
149c36c1
156ed95a
hex510a09

5310985 has 4 divisors (see below), whose sum is σ = 6373188. Its totient is φ = 4248784.

The previous prime is 5310983. The next prime is 5311027. The reversal of 5310985 is 5890135.

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 2199289 + 3111696 = 1483^2 + 1764^2 .

It is a cyclic number.

It is not a de Polignac number, because 5310985 - 21 = 5310983 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5310983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531094 + ... + 531103.

It is an arithmetic number, because the mean of its divisors is an integer number (1593297).

Almost surely, 25310985 is an apocalyptic number.

It is an amenable number.

5310985 is a deficient number, since it is larger than the sum of its proper divisors (1062203).

5310985 is a wasteful number, since it uses less digits than its factorization.

5310985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062202.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 5310985 is about 2304.5574412455. The cubic root of 5310985 is about 174.4717129431.

The spelling of 5310985 in words is "five million, three hundred ten thousand, nine hundred eighty-five".

Divisors: 1 5 1062197 5310985