Base | Representation |
---|---|
bin | 10011100010000110111101 |
3 | 100122010221010 |
4 | 103202012331 |
5 | 2302323240 |
6 | 301425433 |
7 | 61344261 |
oct | 23420675 |
9 | 10563833 |
10 | 5120445 |
11 | 2988080 |
12 | 186b279 |
13 | 10a3865 |
14 | 9740a1 |
15 | 6b2280 |
hex | 4e21bd |
5120445 has 16 divisors (see below), whose sum is σ = 8937792. Its totient is φ = 2482560.
The previous prime is 5120441. The next prime is 5120459. The reversal of 5120445 is 5440215.
5120445 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 5120445 - 22 = 5120441 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5120441) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15352 + ... + 15681.
It is an arithmetic number, because the mean of its divisors is an integer number (558612).
Almost surely, 25120445 is an apocalyptic number.
5120445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
5120445 is a deficient number, since it is larger than the sum of its proper divisors (3817347).
5120445 is a wasteful number, since it uses less digits than its factorization.
5120445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31052.
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 5120445 is about 2262.8400296972. The cubic root of 5120445 is about 172.3597684091.
It can be divided in two parts, 5120 and 445, that added together give a triangular number (5565 = T105).
The spelling of 5120445 in words is "five million, one hundred twenty thousand, four hundred forty-five".
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