Base | Representation |
---|---|
bin | 10011101000001110010010 |
3 | 100200102021201 |
4 | 103220032102 |
5 | 2304123430 |
6 | 302141414 |
7 | 61510300 |
oct | 23501622 |
9 | 10612251 |
10 | 5145490 |
11 | 29a4979 |
12 | 188186a |
13 | 10b208c |
14 | 97d270 |
15 | 6b98ca |
hex | 4e8392 |
5145490 has 24 divisors (see below), whose sum is σ = 10775052. Its totient is φ = 1764000.
The previous prime is 5145463. The next prime is 5145493. The reversal of 5145490 is 945415.
It can be written as a sum of positive squares in 2 ways, for example, as 4986289 + 159201 = 2233^2 + 399^2 .
It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (5145493) 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, 4761 + ... + 5740.
Almost surely, 25145490 is an apocalyptic number.
5145490 is an abundant number, since it is smaller than the sum of its proper divisors (5629562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5145490 is a wasteful number, since it uses less digits than its factorization.
5145490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10522 (or 10515 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 28.
The square root of 5145490 is about 2268.3672542161. The cubic root of 5145490 is about 172.6403255004.
The spelling of 5145490 in words is "five million, one hundred forty-five thousand, four hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •