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38885037 = 317374923
BaseRepresentation
bin1001010001010…
…1011010101101
32201011120020120
42110111122231
534423310122
63505235153
7651342312
oct224253255
981146216
1038885037
111aa499a4
1211032ab9
1380961c9
145242d09
15363175c
hex25156ad

38885037 has 8 divisors (see below), whose sum is σ = 52147104. Its totient is φ = 25773168.

The previous prime is 38885009. The next prime is 38885047. The reversal of 38885037 is 73058883.

38885037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38885037 - 218 = 38622893 is a prime.

It is a super-2 number, since 2×388850372 = 3024092204982738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38885037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38885047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36943 + ... + 37980.

It is an arithmetic number, because the mean of its divisors is an integer number (6518388).

Almost surely, 238885037 is an apocalyptic number.

It is an amenable number.

38885037 is a deficient number, since it is larger than the sum of its proper divisors (13262067).

38885037 is a wasteful number, since it uses less digits than its factorization.

38885037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75099.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 38885037 is about 6235.7867987929. The cubic root of 38885037 is about 338.7875993904.

The spelling of 38885037 in words is "thirty-eight million, eight hundred eighty-five thousand, thirty-seven".

Divisors: 1 3 173 519 74923 224769 12961679 38885037