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2674638 = 2321391069
BaseRepresentation
bin1010001100111111001110
312000212220200
422030333032
51141042023
6133154330
731506531
oct12147716
95025820
102674638
11156754a
12a8b9a6
13728535
144d8a18
1537c743
hex28cfce

2674638 has 24 divisors (see below), whose sum is σ = 5842200. Its totient is φ = 884304.

The previous prime is 2674631. The next prime is 2674673. The reversal of 2674638 is 8364762.

It is a d-powerful number, because it can be written as 219 + 62 + 74 + 46 + 66 + 32 + 87 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2674631) 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 11 ways as a sum of consecutive naturals, for example, 1968 + ... + 3036.

It is an arithmetic number, because the mean of its divisors is an integer number (243425).

22674638 is an apocalyptic number.

2674638 is an abundant number, since it is smaller than the sum of its proper divisors (3167562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2674638 is a wasteful number, since it uses less digits than its factorization.

2674638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216 (or 1213 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 2674638 is about 1635.4320530062. The cubic root of 2674638 is about 138.8102927641.

The spelling of 2674638 in words is "two million, six hundred seventy-four thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 9 18 139 278 417 834 1069 1251 2138 2502 3207 6414 9621 19242 148591 297182 445773 891546 1337319 2674638