Base | Representation |
---|---|
bin | 1001001000100… |
… | …0101100101101 |
3 | 2200002021121000 |
4 | 2102020230231 |
5 | 34301334103 |
6 | 3445030513 |
7 | 643422015 |
oct | 222105455 |
9 | 80067530 |
10 | 38308653 |
11 | 1a695949 |
12 | 109b5439 |
13 | 7c23a56 |
14 | 5132c45 |
15 | 356aaa3 |
hex | 2488b2d |
38308653 has 32 divisors (see below), whose sum is σ = 60216320. Its totient is φ = 24027840.
The previous prime is 38308651. The next prime is 38308663. The reversal of 38308653 is 35680383.
It is not a de Polignac number, because 38308653 - 21 = 38308651 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38308651) 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 31 ways as a sum of consecutive naturals, for example, 30351 + ... + 31587.
It is an arithmetic number, because the mean of its divisors is an integer number (1881760).
Almost surely, 238308653 is an apocalyptic number.
It is an amenable number.
38308653 is a deficient number, since it is larger than the sum of its proper divisors (21907667).
38308653 is a wasteful number, since it uses less digits than its factorization.
38308653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1314 (or 1308 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 38308653 is about 6189.3984360356. The cubic root of 38308653 is about 337.1053362011.
The spelling of 38308653 in words is "thirty-eight million, three hundred eight thousand, six hundred fifty-three".
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