Base | Representation |
---|---|
bin | 1001000001000011… |
… | …1000010101011011 |
3 | 20020200022020000010 |
4 | 2100100320111123 |
5 | 14424102003110 |
6 | 1040100213003 |
7 | 113656404645 |
oct | 22020702533 |
9 | 6220266003 |
10 | 2420344155 |
11 | 1032248429 |
12 | 57669a163 |
13 | 2c758c908 |
14 | 18d637895 |
15 | e2744020 |
hex | 9043855b |
2420344155 has 16 divisors (see below), whose sum is σ = 3873171744. Its totient is φ = 1290643200.
The previous prime is 2420344123. The next prime is 2420344183. The reversal of 2420344155 is 5514430242.
It is not a de Polignac number, because 2420344155 - 25 = 2420344123 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149455 + ... + 164855.
It is an arithmetic number, because the mean of its divisors is an integer number (242073234).
Almost surely, 22420344155 is an apocalyptic number.
2420344155 is a deficient number, since it is larger than the sum of its proper divisors (1452827589).
2420344155 is a wasteful number, since it uses less digits than its factorization.
2420344155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25886.
The product of its (nonzero) digits is 19200, while the sum is 30.
The square root of 2420344155 is about 49196.9933532528. The cubic root of 2420344155 is about 1342.6383296736.
Adding to 2420344155 its reverse (5514430242), we get a palindrome (7934774397).
The spelling of 2420344155 in words is "two billion, four hundred twenty million, three hundred forty-four thousand, one hundred fifty-five".
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