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38108085 = 352540539
BaseRepresentation
bin1001000101011…
…1101110110101
32122201002110120
42101113232311
534223424320
63440442153
7641625201
oct221275665
978632416
1038108085
111a569194
1210919359
137b83682
1450bdb01
15352b440
hex2457bb5

38108085 has 8 divisors (see below), whose sum is σ = 60972960. Its totient is φ = 20324304.

The previous prime is 38108051. The next prime is 38108087. The reversal of 38108085 is 58080183.

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

It is not a de Polignac number, because 38108085 - 27 = 38107957 is a prime.

It is a super-2 number, since 2×381080852 = 2904452284734450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38108087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270255 + ... + 1270284.

It is an arithmetic number, because the mean of its divisors is an integer number (7621620).

Almost surely, 238108085 is an apocalyptic number.

It is an amenable number.

38108085 is a deficient number, since it is larger than the sum of its proper divisors (22864875).

38108085 is a wasteful number, since it uses less digits than its factorization.

38108085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540547.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 38108085 is about 6173.1746289895. The cubic root of 38108085 is about 336.5159925487.

The spelling of 38108085 in words is "thirty-eight million, one hundred eight thousand, eighty-five".

Divisors: 1 3 5 15 2540539 7621617 12702695 38108085