Base | Representation |
---|---|
bin | 101100001000… |
… | …1111000101010 |
3 | 1121112201202112 |
4 | 1120101320222 |
5 | 21411020210 |
6 | 2144002322 |
7 | 400463120 |
oct | 130217052 |
9 | 47481675 |
10 | 23141930 |
11 | 12076969 |
12 | 79003a2 |
13 | 4a43566 |
14 | 3105910 |
15 | 2071d05 |
hex | 1611e2a |
23141930 has 32 divisors (see below), whose sum is σ = 50409216. Its totient is φ = 7467264.
The previous prime is 23141897. The next prime is 23141939. The reversal of 23141930 is 3914132.
It is a junction number, because it is equal to n+sod(n) for n = 23141896 and 23141905.
It is not an unprimeable number, because it can be changed into a prime (23141939) 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, 8534 + ... + 10913.
It is an arithmetic number, because the mean of its divisors is an integer number (1575288).
Almost surely, 223141930 is an apocalyptic number.
23141930 is an abundant number, since it is smaller than the sum of its proper divisors (27267286).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23141930 is a wasteful number, since it uses less digits than its factorization.
23141930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19478.
The product of its (nonzero) digits is 648, while the sum is 23.
The square root of 23141930 is about 4810.6059909330. The cubic root of 23141930 is about 284.9704699064.
The spelling of 23141930 in words is "twenty-three million, one hundred forty-one thousand, nine hundred thirty".
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