Base | Representation |
---|---|
bin | 1100011001011111100001 |
3 | 20010010100202 |
4 | 30121133201 |
5 | 1313001040 |
6 | 153354545 |
7 | 36424433 |
oct | 14313741 |
9 | 6103322 |
10 | 3250145 |
11 | 191a978 |
12 | 1108a55 |
13 | 89a482 |
14 | 608653 |
15 | 443015 |
hex | 3197e1 |
3250145 has 8 divisors (see below), whose sum is σ = 4129704. Its totient is φ = 2447104.
The previous prime is 3250129. The next prime is 3250147. The reversal of 3250145 is 5410523.
It can be written as a sum of positive squares in 4 ways, for example, as 677329 + 2572816 = 823^2 + 1604^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3250145 - 24 = 3250129 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3250147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19034 + ... + 19203.
It is an arithmetic number, because the mean of its divisors is an integer number (516213).
Almost surely, 23250145 is an apocalyptic number.
It is an amenable number.
3250145 is a deficient number, since it is larger than the sum of its proper divisors (879559).
3250145 is a wasteful number, since it uses less digits than its factorization.
3250145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38259.
The product of its (nonzero) digits is 600, while the sum is 20.
The square root of 3250145 is about 1802.8158530477. The cubic root of 3250145 is about 148.1270062693.
Adding to 3250145 its reverse (5410523), we get a palindrome (8660668).
The spelling of 3250145 in words is "three million, two hundred fifty thousand, one hundred forty-five".
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