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2538432 = 263313113
BaseRepresentation
bin1001101011101111000000
311202222002000
421223233000
51122212212
6130224000
730401451
oct11535700
94688060
102538432
111484186
12a25000
136ab540
144a1128
153521dc
hex26bbc0

2538432 has 112 divisors (see below), whose sum is σ = 8107680. Its totient is φ = 774144.

The previous prime is 2538427. The next prime is 2538443. The reversal of 2538432 is 2348352.

2538432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2538396 and 2538405.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22408 + ... + 22520.

It is an arithmetic number, because the mean of its divisors is an integer number (72390).

22538432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2538432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4053840).

2538432 is an abundant number, since it is smaller than the sum of its proper divisors (5569248).

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

2538432 is a wasteful number, since it uses less digits than its factorization.

2538432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 131 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2538432 is about 1593.2457437571. The cubic root of 2538432 is about 136.4128171694.

The spelling of 2538432 in words is "two million, five hundred thirty-eight thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 96 104 108 113 117 144 156 192 208 216 226 234 288 312 339 351 416 432 452 468 576 624 678 702 832 864 904 936 1017 1248 1356 1404 1469 1728 1808 1872 2034 2496 2712 2808 2938 3051 3616 3744 4068 4407 5424 5616 5876 6102 7232 7488 8136 8814 10848 11232 11752 12204 13221 16272 17628 21696 22464 23504 24408 26442 32544 35256 39663 47008 48816 52884 65088 70512 79326 94016 97632 105768 141024 158652 195264 211536 282048 317304 423072 634608 846144 1269216 2538432