Base | Representation |
---|---|
bin | 101101001000… |
… | …0111000110010 |
3 | 1122112011100012 |
4 | 1122100320302 |
5 | 22024142010 |
6 | 2203054522 |
7 | 405060542 |
oct | 132207062 |
9 | 48464305 |
10 | 23662130 |
11 | 123a1788 |
12 | 7b11442 |
13 | 4b9627b |
14 | 31dd322 |
15 | 2126005 |
hex | 1690e32 |
23662130 has 32 divisors (see below), whose sum is σ = 45405360. Its totient is φ = 8847360.
The previous prime is 23662117. The next prime is 23662139. The reversal of 23662130 is 3126632.
It can be written as a sum of positive squares in 8 ways, for example, as 4800481 + 18861649 = 2191^2 + 4343^2 .
It is a super-2 number, since 2×236621302 = 1119792792273800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23662096 and 23662105.
It is not an unprimeable number, because it can be changed into a prime (23662139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30386 + ... + 31154.
Almost surely, 223662130 is an apocalyptic number.
23662130 is a deficient number, since it is larger than the sum of its proper divisors (21743230).
23662130 is a wasteful number, since it uses less digits than its factorization.
23662130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 974.
The product of its (nonzero) digits is 1296, while the sum is 23.
The square root of 23662130 is about 4864.3735465114. The cubic root of 23662130 is about 287.0899207123.
Adding to 23662130 its reverse (3126632), we get a palindrome (26788762).
The spelling of 23662130 in words is "twenty-three million, six hundred sixty-two thousand, one hundred thirty".
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