Base | Representation |
---|---|
bin | 1001010001101… |
… | …0011101011111 |
3 | 2201012121120200 |
4 | 2110122131133 |
5 | 34424440240 |
6 | 3505514543 |
7 | 651456453 |
oct | 224323537 |
9 | 81177520 |
10 | 38905695 |
11 | 1aa63474 |
12 | 11042a53 |
13 | 80a272a |
14 | 524a663 |
15 | 3637930 |
hex | 251a75f |
38905695 has 24 divisors (see below), whose sum is σ = 67756416. Its totient is φ = 20651328.
The previous prime is 38905693. The next prime is 38905703. The reversal of 38905695 is 59650983.
38905695 is a `hidden beast` number, since 3 + 89 + 0 + 569 + 5 = 666.
It is not a de Polignac number, because 38905695 - 21 = 38905693 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 38905695.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38905693) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8097 + ... + 11973.
It is an arithmetic number, because the mean of its divisors is an integer number (2823184).
Almost surely, 238905695 is an apocalyptic number.
38905695 is a deficient number, since it is larger than the sum of its proper divisors (28850721).
38905695 is a wasteful number, since it uses less digits than its factorization.
38905695 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4111 (or 4108 counting only the distinct ones).
The product of its (nonzero) digits is 291600, while the sum is 45.
The square root of 38905695 is about 6237.4429857114. The cubic root of 38905695 is about 338.8475833479.
The spelling of 38905695 in words is "thirty-eight million, nine hundred five thousand, six hundred ninety-five".
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