Base | Representation |
---|---|
bin | 1000111101011111… |
… | …1100110011000111 |
3 | 20012122020000020012 |
4 | 2033113330303013 |
5 | 14411241421411 |
6 | 1034404300435 |
7 | 113415506654 |
oct | 21727746307 |
9 | 6178200205 |
10 | 2405420231 |
11 | 1024884905 |
12 | 5716a171b |
13 | 2c4465aa6 |
14 | 18b670c2b |
15 | e129718b |
hex | 8f5fccc7 |
2405420231 has 8 divisors (see below), whose sum is σ = 2483593728. Its totient is φ = 2327283000.
The previous prime is 2405420161. The next prime is 2405420233. The reversal of 2405420231 is 1320245042.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2405420231 - 210 = 2405419207 is a prime.
It is a super-2 number, since 2×24054202312 = 11572092975408186722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2405420197 and 2405420206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2405420233) 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, 210536 + ... + 221666.
It is an arithmetic number, because the mean of its divisors is an integer number (310449216).
Almost surely, 22405420231 is an apocalyptic number.
2405420231 is a deficient number, since it is larger than the sum of its proper divisors (78173497).
2405420231 is a wasteful number, since it uses less digits than its factorization.
2405420231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18133.
The product of its (nonzero) digits is 1920, while the sum is 23.
The square root of 2405420231 is about 49045.0836577939. The cubic root of 2405420231 is about 1339.8730538016.
Adding to 2405420231 its reverse (1320245042), we get a palindrome (3725665273).
The spelling of 2405420231 in words is "two billion, four hundred five million, four hundred twenty thousand, two hundred thirty-one".
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