Base | Representation |
---|---|
bin | 1001000111100… |
… | …1111011010001 |
3 | 2122222012120222 |
4 | 2101321323101 |
5 | 34242420040 |
6 | 3443442425 |
7 | 643050425 |
oct | 221717321 |
9 | 78865528 |
10 | 38248145 |
11 | 1a654441 |
12 | 10986415 |
13 | 7c02350 |
14 | 5118b85 |
15 | 3557bb5 |
hex | 2479ed1 |
38248145 has 8 divisors (see below), whose sum is σ = 49428456. Its totient is φ = 28244736.
The previous prime is 38248109. The next prime is 38248153. The reversal of 38248145 is 54184283.
It can be written as a sum of positive squares in 4 ways, for example, as 8904256 + 29343889 = 2984^2 + 5417^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38248145 - 26 = 38248081 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294152 + ... + 294281.
It is an arithmetic number, because the mean of its divisors is an integer number (6178557).
Almost surely, 238248145 is an apocalyptic number.
It is an amenable number.
38248145 is a deficient number, since it is larger than the sum of its proper divisors (11180311).
38248145 is a wasteful number, since it uses less digits than its factorization.
38248145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 588451.
The product of its digits is 30720, while the sum is 35.
The square root of 38248145 is about 6184.5084687467. The cubic root of 38248145 is about 336.9277582324.
The spelling of 38248145 in words is "thirty-eight million, two hundred forty-eight thousand, one hundred forty-five".
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