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2670428 = 2217173227
BaseRepresentation
bin1010001011111101011100
312000200010202
422023331130
51140423203
6133123032
731461335
oct12137534
95020122
102670428
111564372
12a89478
13726647
144d728c
1537b388
hex28bf5c

2670428 has 24 divisors (see below), whose sum is σ = 4998672. Its totient is φ = 1243904.

The previous prime is 2670373. The next prime is 2670439. The reversal of 2670428 is 8240762.

2670428 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2670428.

It is a congruent number.

It is an unprimeable number.

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, 11651 + ... + 11877.

It is an arithmetic number, because the mean of its divisors is an integer number (208278).

22670428 is an apocalyptic number.

It is an amenable number.

2670428 is a deficient number, since it is larger than the sum of its proper divisors (2328244).

2670428 is a wasteful number, since it uses less digits than its factorization.

2670428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2670428 is about 1634.1444244619. The cubic root of 2670428 is about 138.7374233115.

The spelling of 2670428 in words is "two million, six hundred seventy thousand, four hundred twenty-eight".

Divisors: 1 2 4 17 34 68 173 227 346 454 692 908 2941 3859 5882 7718 11764 15436 39271 78542 157084 667607 1335214 2670428