Base | Representation |
---|---|
bin | 100100110111… |
… | …1111101000010 |
3 | 1100101012210110 |
4 | 1021233331002 |
5 | 14422123210 |
6 | 1530212150 |
7 | 323220141 |
oct | 111577502 |
9 | 40335713 |
10 | 19332930 |
11 | aa05131 |
12 | 6584056 |
13 | 400b906 |
14 | 27d3758 |
15 | 1a6d420 |
hex | 126ff42 |
19332930 has 16 divisors (see below), whose sum is σ = 46399104. Its totient is φ = 5155440.
The previous prime is 19332883. The next prime is 19332931. The reversal of 19332930 is 3923391.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 644431 = 19332930 / (1 + 9 + 3 + 3 + 2 + 9 + 3 + 0).
It is not an unprimeable number, because it can be changed into a prime (19332931) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322186 + ... + 322245.
It is an arithmetic number, because the mean of its divisors is an integer number (2899944).
Almost surely, 219332930 is an apocalyptic number.
19332930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19332930 is an abundant number, since it is smaller than the sum of its proper divisors (27066174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19332930 is a wasteful number, since it uses less digits than its factorization.
19332930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 644441.
The product of its (nonzero) digits is 4374, while the sum is 30.
The square root of 19332930 is about 4396.9227875868. The cubic root of 19332930 is about 268.3897296257.
The spelling of 19332930 in words is "nineteen million, three hundred thirty-two thousand, nine hundred thirty".
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