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2470681 = 22910789
BaseRepresentation
bin1001011011001100011001
311122112010201
421123030121
51113030211
6124542201
730000103
oct11331431
94575121
102470681
111438294
129b1961
13686755
14484573
1533c0c1
hex25b319

2470681 has 4 divisors (see below), whose sum is σ = 2481700. Its totient is φ = 2459664.

The previous prime is 2470679. The next prime is 2470691. The reversal of 2470681 is 1860742.

2470681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1798281 + 672400 = 1341^2 + 820^2 .

It is a cyclic number.

It is not a de Polignac number, because 2470681 - 21 = 2470679 is a prime.

It is a super-2 number, since 2×24706812 = 12208529207522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2470621) 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 3 ways as a sum of consecutive naturals, for example, 5166 + ... + 5623.

It is an arithmetic number, because the mean of its divisors is an integer number (620425).

22470681 is an apocalyptic number.

It is an amenable number.

2470681 is a deficient number, since it is larger than the sum of its proper divisors (11019).

2470681 is a wasteful number, since it uses less digits than its factorization.

2470681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11018.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2470681 is about 1571.8400045806. The cubic root of 2470681 is about 135.1882330772.

The spelling of 2470681 in words is "two million, four hundred seventy thousand, six hundred eighty-one".

Divisors: 1 229 10789 2470681