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38385286 = 2171128979
BaseRepresentation
bin1001001001101…
…1011010000110
32200020011201021
42102123122012
534311312121
63450421354
7644161312
oct222333206
980204637
1038385286
111a738485
1210a3185a
137c4c8b4
145152b42
153583641
hex249b686

38385286 has 8 divisors (see below), whose sum is σ = 60964920. Its totient is φ = 18063648.

The previous prime is 38385251. The next prime is 38385289. The reversal of 38385286 is 68258383.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38385289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564456 + ... + 564523.

It is an arithmetic number, because the mean of its divisors is an integer number (7620615).

Almost surely, 238385286 is an apocalyptic number.

38385286 is a deficient number, since it is larger than the sum of its proper divisors (22579634).

38385286 is a wasteful number, since it uses less digits than its factorization.

38385286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128998.

The product of its digits is 276480, while the sum is 43.

The square root of 38385286 is about 6195.5860094102. The cubic root of 38385286 is about 337.3299694065.

The spelling of 38385286 in words is "thirty-eight million, three hundred eighty-five thousand, two hundred eighty-six".

Divisors: 1 2 17 34 1128979 2257958 19192643 38385286