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37888 = 21037
BaseRepresentation
bin1001010000000000
31220222021
421100000
52203023
6451224
7215314
oct112000
956867
1037888
1126514
1219b14
1314326
14db44
15b35d
hex9400

37888 has 22 divisors (see below), whose sum is σ = 77786. Its totient is φ = 18432.

The previous prime is 37879. The next prime is 37889. The reversal of 37888 is 88873.

It can be written as a sum of positive squares in only one way, i.e., 36864 + 1024 = 192^2 + 32^2 .

It is a plaindrome in base 10.

It is a nialpdrome in base 4, base 14 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37889) by changing a digit.

37888 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006 + ... + 1042.

237888 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 37888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38893).

37888 is an abundant number, since it is smaller than the sum of its proper divisors (39898).

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

37888 is an equidigital number, since it uses as much as digits as its factorization.

37888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57 (or 39 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 37888 is about 194.6484009695. The cubic root of 37888 is about 33.5866916305.

The spelling of 37888 in words is "thirty-seven thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 16 32 37 64 74 128 148 256 296 512 592 1024 1184 2368 4736 9472 18944 37888