Base | Representation |
---|---|
bin | 1001001110110110010011 |
3 | 11112221202220 |
4 | 21032312103 |
5 | 1104420430 |
6 | 123512123 |
7 | 26366505 |
oct | 11166623 |
9 | 4487686 |
10 | 2420115 |
11 | 14032a5 |
12 | 988643 |
13 | 669729 |
14 | 46dd75 |
15 | 32c110 |
hex | 24ed93 |
2420115 has 8 divisors (see below), whose sum is σ = 3872208. Its totient is φ = 1290720.
The previous prime is 2420113. The next prime is 2420123. The reversal of 2420115 is 5110242.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2420115 - 21 = 2420113 is a prime.
It is a super-2 number, since 2×24201152 = 11713913226450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 161341 = 2420115 / (2 + 4 + 2 + 0 + 1 + 1 + 5).
2420115 is a lucky number.
It is a nialpdrome in base 12.
It is a junction number, because it is equal to n+sod(n) for n = 2420094 and 2420103.
It is not an unprimeable number, because it can be changed into a prime (2420111) 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, 80656 + ... + 80685.
It is an arithmetic number, because the mean of its divisors is an integer number (484026).
22420115 is an apocalyptic number.
2420115 is a deficient number, since it is larger than the sum of its proper divisors (1452093).
2420115 is a wasteful number, since it uses less digits than its factorization.
2420115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161349.
The product of its (nonzero) digits is 80, while the sum is 15.
The square root of 2420115 is about 1555.6718805712. The cubic root of 2420115 is about 134.2595955259.
Adding to 2420115 its reverse (5110242), we get a palindrome (7530357).
The spelling of 2420115 in words is "two million, four hundred twenty thousand, one hundred fifteen".
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