Base | Representation |
---|---|
bin | 1000111101011101… |
… | …0100000000010010 |
3 | 20012121220112000120 |
4 | 2033113110000102 |
5 | 14411221100023 |
6 | 1034400531110 |
7 | 113414212551 |
oct | 21727240022 |
9 | 6177815016 |
10 | 2405253138 |
11 | 1024780312 |
12 | 571620a96 |
13 | 2c4407a12 |
14 | 18b629d98 |
15 | e12628e3 |
hex | 8f5d4012 |
2405253138 has 16 divisors (see below), whose sum is σ = 4853078496. Its totient is φ = 794655680.
The previous prime is 2405253133. The next prime is 2405253161. The reversal of 2405253138 is 8313525042.
It is a junction number, because it is equal to n+sod(n) for n = 2405253099 and 2405253108.
It is not an unprimeable number, because it can be changed into a prime (2405253131) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 1773108 + ... + 1774463.
It is an arithmetic number, because the mean of its divisors is an integer number (303317406).
Almost surely, 22405253138 is an apocalyptic number.
2405253138 is an abundant number, since it is smaller than the sum of its proper divisors (2447825358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2405253138 is a wasteful number, since it uses less digits than its factorization.
2405253138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3547689.
The product of its (nonzero) digits is 28800, while the sum is 33.
The square root of 2405253138 is about 49043.3801649111. The cubic root of 2405253138 is about 1339.8420282328.
The spelling of 2405253138 in words is "two billion, four hundred five million, two hundred fifty-three thousand, one hundred thirty-eight".
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