Base | Representation |
---|---|
bin | 100101011100… |
… | …0010000001101 |
3 | 1100221021000120 |
4 | 1022320100031 |
5 | 20011112234 |
6 | 1540415153 |
7 | 325562415 |
oct | 112702015 |
9 | 40837016 |
10 | 19629069 |
11 | 10097679 |
12 | 66a74b9 |
13 | 40b3645 |
14 | 286d645 |
15 | 1acb049 |
hex | 12b840d |
19629069 has 8 divisors (see below), whose sum is σ = 26197920. Its totient is φ = 13073136.
The previous prime is 19629061. The next prime is 19629073. The reversal of 19629069 is 96092691.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 19629069 - 23 = 19629061 is a prime.
It is a super-2 number, since 2×196290692 = 770600699613522, which contains 22 as substring.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 19629069.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19629061) 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, 1179 + ... + 6375.
It is an arithmetic number, because the mean of its divisors is an integer number (3274740).
Almost surely, 219629069 is an apocalyptic number.
It is an amenable number.
19629069 is a deficient number, since it is larger than the sum of its proper divisors (6568851).
19629069 is a wasteful number, since it uses less digits than its factorization.
19629069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6459.
The product of its (nonzero) digits is 52488, while the sum is 42.
The square root of 19629069 is about 4430.4705167736. The cubic root of 19629069 is about 269.7531763525.
The spelling of 19629069 in words is "nineteen million, six hundred twenty-nine thousand, sixty-nine".
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