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5638038 = 2372127151
BaseRepresentation
bin10101100000011110010110
3101121102221020
4111200132112
52420404123
6320502010
765631300
oct25403626
911542836
105638038
113200a3a
121a7a906
131225323
14a6a970
157657e3
hex560796

5638038 has 48 divisors (see below), whose sum is σ = 13307904. Its totient is φ = 1587600.

The previous prime is 5638037. The next prime is 5638043. The reversal of 5638038 is 8308365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5638037) 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 23 ways as a sum of consecutive naturals, for example, 37263 + ... + 37413.

It is an arithmetic number, because the mean of its divisors is an integer number (277248).

Almost surely, 25638038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5638038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6653952).

5638038 is an abundant number, since it is smaller than the sum of its proper divisors (7669866).

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

5638038 is a wasteful number, since it uses less digits than its factorization.

5638038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 5638038 is about 2374.4553059597. The cubic root of 5638038 is about 177.9819659380.

The spelling of 5638038 in words is "five million, six hundred thirty-eight thousand, thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 49 98 127 147 151 254 294 302 381 453 762 889 906 1057 1778 2114 2667 3171 5334 6223 6342 7399 12446 14798 18669 19177 22197 37338 38354 44394 57531 115062 134239 268478 402717 805434 939673 1879346 2819019 5638038