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38081386 = 2716011699
BaseRepresentation
bin1001000101000…
…1001101101010
32122122201211201
42101101031222
534222101021
63440114414
7641454310
oct221211552
978581751
1038081386
111a550122
1210905a0a
137b74485
1450b40b0
153523591
hex245136a

38081386 has 16 divisors (see below), whose sum is σ = 65361600. Its totient is φ = 16300800.

The previous prime is 38081369. The next prime is 38081387. The reversal of 38081386 is 68318083.

It is not an unprimeable number, because it can be changed into a prime (38081387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21565 + ... + 23263.

It is an arithmetic number, because the mean of its divisors is an integer number (4085100).

Almost surely, 238081386 is an apocalyptic number.

38081386 is a deficient number, since it is larger than the sum of its proper divisors (27280214).

38081386 is a wasteful number, since it uses less digits than its factorization.

38081386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 38081386 is about 6171.0117484899. The cubic root of 38081386 is about 336.4373850865.

The spelling of 38081386 in words is "thirty-eight million, eighty-one thousand, three hundred eighty-six".

Divisors: 1 2 7 14 1601 1699 3202 3398 11207 11893 22414 23786 2720099 5440198 19040693 38081386