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38108382 = 23131273847
BaseRepresentation
bin1001000101011…
…1110011011110
32122201002212120
42101113303132
534223432012
63440443410
7641626104
oct221276336
978632776
1038108382
111a569434
1210919566
137b83850
1450bdc74
15352b58c
hex2457cde

38108382 has 32 divisors (see below), whose sum is σ = 82747392. Its totient is φ = 11630304.

The previous prime is 38108381. The next prime is 38108383. The reversal of 38108382 is 28380183.

It is an interprime number because it is at equal distance from previous prime (38108381) and next prime (38108383).

38108382 is a modest number, since divided by 8382 gives 3810 as remainder.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38108381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7983 + ... + 11829.

It is an arithmetic number, because the mean of its divisors is an integer number (2585856).

Almost surely, 238108382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38108382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41373696).

38108382 is an abundant number, since it is smaller than the sum of its proper divisors (44639010).

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

38108382 is a wasteful number, since it uses less digits than its factorization.

38108382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 38108382 is about 6173.1986846367. The cubic root of 38108382 is about 336.5168667725.

The spelling of 38108382 in words is "thirty-eight million, one hundred eight thousand, three hundred eighty-two".

Divisors: 1 2 3 6 13 26 39 78 127 254 381 762 1651 3302 3847 4953 7694 9906 11541 23082 50011 100022 150033 300066 488569 977138 1465707 2931414 6351397 12702794 19054191 38108382