Base | Representation |
---|---|
bin | 10011111000100101100011 |
3 | 100210211020010 |
4 | 103320211203 |
5 | 2313300030 |
6 | 303420003 |
7 | 62206560 |
oct | 23704543 |
9 | 10724203 |
10 | 5212515 |
11 | 2a40270 |
12 | 18b4603 |
13 | 1106739 |
14 | 999867 |
15 | 6ce6b0 |
hex | 4f8963 |
5212515 has 32 divisors (see below), whose sum is σ = 10400256. Its totient is φ = 2165760.
The previous prime is 5212507. The next prime is 5212541. The reversal of 5212515 is 5152125.
5212515 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 5212515 - 23 = 5212507 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
5212515 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 5212491 and 5212500.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1102 + ... + 3411.
It is an arithmetic number, because the mean of its divisors is an integer number (325008).
Almost surely, 25212515 is an apocalyptic number.
5212515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
5212515 is a deficient number, since it is larger than the sum of its proper divisors (5187741).
5212515 is a wasteful number, since it uses less digits than its factorization.
5212515 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4539.
The product of its digits is 500, while the sum is 21.
The square root of 5212515 is about 2283.0932963854. The cubic root of 5212515 is about 173.3866966695.
It can be divided in two parts, 52125 and 15, that multiplied together give a triangular number (781875 = T1250).
The spelling of 5212515 in words is "five million, two hundred twelve thousand, five hundred fifteen".
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