Base | Representation |
---|---|
bin | 1001001001010… |
… | …0101010110101 |
3 | 2200011202212000 |
4 | 2102110222311 |
5 | 34304421220 |
6 | 3450045513 |
7 | 644014662 |
oct | 222245265 |
9 | 80152760 |
10 | 38357685 |
11 | 1a719773 |
12 | 10a19899 |
13 | 7c40172 |
14 | 5146a69 |
15 | 357a390 |
hex | 2494ab5 |
38357685 has 16 divisors (see below), whose sum is σ = 68191680. Its totient is φ = 20457360.
The previous prime is 38357663. The next prime is 38357719. The reversal of 38357685 is 58675383.
It is not a de Polignac number, because 38357685 - 25 = 38357653 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 38357685.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141931 + ... + 142200.
It is an arithmetic number, because the mean of its divisors is an integer number (4261980).
Almost surely, 238357685 is an apocalyptic number.
It is an amenable number.
38357685 is a deficient number, since it is larger than the sum of its proper divisors (29833995).
38357685 is a wasteful number, since it uses less digits than its factorization.
38357685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284145 (or 284139 counting only the distinct ones).
The product of its digits is 604800, while the sum is 45.
The square root of 38357685 is about 6193.3581359389. The cubic root of 38357685 is about 337.2490974722.
The spelling of 38357685 in words is "thirty-eight million, three hundred fifty-seven thousand, six hundred eighty-five".
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