Base | Representation |
---|---|
bin | 1001000110000… |
… | …1101001110101 |
3 | 2122210011012202 |
4 | 2101201221311 |
5 | 34231224400 |
6 | 3441354245 |
7 | 642154526 |
oct | 221415165 |
9 | 78704182 |
10 | 38148725 |
11 | 1a59677a |
12 | 10938985 |
13 | 7b99014 |
14 | 50d084d |
15 | 35384d5 |
hex | 2461a75 |
38148725 has 12 divisors (see below), whose sum is σ = 48312384. Its totient is φ = 29868720.
The previous prime is 38148707. The next prime is 38148727. The reversal of 38148725 is 52784183.
It is not a de Polignac number, because 38148725 - 28 = 38148469 is a prime.
It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38148727) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15059 + ... + 17408.
It is an arithmetic number, because the mean of its divisors is an integer number (4026032).
Almost surely, 238148725 is an apocalyptic number.
It is an amenable number.
38148725 is a deficient number, since it is larger than the sum of its proper divisors (10163659).
38148725 is a wasteful number, since it uses less digits than its factorization.
38148725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32524 (or 32519 counting only the distinct ones).
The product of its digits is 53760, while the sum is 38.
The square root of 38148725 is about 6176.4654131631. The cubic root of 38148725 is about 336.6355747954.
The spelling of 38148725 in words is "thirty-eight million, one hundred forty-eight thousand, seven hundred twenty-five".
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