Base | Representation |
---|---|
bin | 100101110110… |
… | …1111011100010 |
3 | 1101100102121120 |
4 | 1023231323202 |
5 | 20040131210 |
6 | 1545233110 |
7 | 330466413 |
oct | 113557342 |
9 | 41312546 |
10 | 19848930 |
11 | 10227882 |
12 | 6792796 |
13 | 415c73a |
14 | 28c980a |
15 | 1b21270 |
hex | 12edee2 |
19848930 has 32 divisors (see below), whose sum is σ = 47755008. Its totient is φ = 5280000.
The previous prime is 19848923. The next prime is 19848937. The reversal of 19848930 is 3984891.
It is an interprime number because it is at equal distance from previous prime (19848923) and next prime (19848937).
It is not an unprimeable number, because it can be changed into a prime (19848937) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22090 + ... + 22970.
It is an arithmetic number, because the mean of its divisors is an integer number (1492344).
Almost surely, 219848930 is an apocalyptic number.
19848930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19848930 is an abundant number, since it is smaller than the sum of its proper divisors (27906078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19848930 is a wasteful number, since it uses less digits than its factorization.
19848930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1642.
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 19848930 is about 4455.2137995836. The cubic root of 19848930 is about 270.7565884853.
The spelling of 19848930 in words is "nineteen million, eight hundred forty-eight thousand, nine hundred thirty".
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