Base | Representation |
---|---|
bin | 100100001110… |
… | …1011100010010 |
3 | 1022202001012010 |
4 | 1020131130102 |
5 | 14330314322 |
6 | 1515043350 |
7 | 320311620 |
oct | 110353422 |
9 | 38661163 |
10 | 18994962 |
11 | a7a4218 |
12 | 6440556 |
13 | 3c20b2c |
14 | 2746510 |
15 | 1a0320c |
hex | 121d712 |
18994962 has 32 divisors (see below), whose sum is σ = 43546752. Its totient is φ = 5410944.
The previous prime is 18994907. The next prime is 18994979. The reversal of 18994962 is 26949981.
It is an unprimeable number.
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, 25548 + ... + 26280.
It is an arithmetic number, because the mean of its divisors is an integer number (1360836).
Almost surely, 218994962 is an apocalyptic number.
18994962 is an abundant number, since it is smaller than the sum of its proper divisors (24551790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18994962 is a wasteful number, since it uses less digits than its factorization.
18994962 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1362.
The product of its digits is 279936, while the sum is 48.
The square root of 18994962 is about 4358.3210069934. The cubic root of 18994962 is about 266.8165778619.
The spelling of 18994962 in words is "eighteen million, nine hundred ninety-four thousand, nine hundred sixty-two".
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