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138182112 = 253489599
BaseRepresentation
bin10000011110001…
…11110111100000
3100122000101020000
420033013313200
5240333311422
621413420000
73265346205
oct1017076740
9318011200
10138182112
11710002a2
123a33a600
1322821a83
14144cdcac
15c1e7cac
hex83c7de0

138182112 has 120 divisors (see below), whose sum is σ = 411642000. Its totient is φ = 45467136.

The previous prime is 138182111. The next prime is 138182113. The reversal of 138182112 is 211281831.

138182112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (138182111) and next prime (138182113).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138182111) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 230389 + ... + 230987.

It is an arithmetic number, because the mean of its divisors is an integer number (3430350).

Almost surely, 2138182112 is an apocalyptic number.

138182112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138182112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205821000).

138182112 is an abundant number, since it is smaller than the sum of its proper divisors (273459888).

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

138182112 is an equidigital number, since it uses as much as digits as its factorization.

138182112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 693 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 138182112 is about 11755.0887704007. The cubic root of 138182112 is about 516.9921419690.

The spelling of 138182112 in words is "one hundred thirty-eight million, one hundred eighty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 89 96 108 144 162 178 216 267 288 324 356 432 534 599 648 712 801 864 1068 1198 1296 1424 1602 1797 2136 2396 2403 2592 2848 3204 3594 4272 4792 4806 5391 6408 7188 7209 8544 9584 9612 10782 12816 14376 14418 16173 19168 19224 21564 25632 28752 28836 32346 38448 43128 48519 53311 57504 57672 64692 76896 86256 97038 106622 115344 129384 159933 172512 194076 213244 230688 258768 319866 388152 426488 479799 517536 639732 776304 852976 959598 1279464 1439397 1552608 1705952 1919196 2558928 2878794 3838392 4318191 5117856 5757588 7676784 8636382 11515176 15353568 17272764 23030352 34545528 46060704 69091056 138182112