Base | Representation |
---|---|
bin | 100100010010… |
… | …1110111010000 |
3 | 1022210210111200 |
4 | 1020211313100 |
5 | 14332420311 |
6 | 1515511200 |
7 | 320514315 |
oct | 110456720 |
9 | 38723450 |
10 | 19029456 |
11 | a818126 |
12 | 6458500 |
13 | 3c33744 |
14 | 2754d0c |
15 | 1a0d556 |
hex | 1225dd0 |
19029456 has 60 divisors (see below), whose sum is σ = 53815008. Its totient is φ = 6276672.
The previous prime is 19029403. The next prime is 19029467. The reversal of 19029456 is 65492091.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 19029456.
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 14191 + ... + 15473.
Almost surely, 219029456 is an apocalyptic number.
19029456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19029456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26907504).
19029456 is an abundant number, since it is smaller than the sum of its proper divisors (34785552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19029456 is a wasteful number, since it uses less digits than its factorization.
19029456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1400 (or 1391 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The square root of 19029456 is about 4362.2764699180. The cubic root of 19029456 is about 266.9779891799.
It can be divided in two parts, 190 and 29456, that added together give a triangular number (29646 = T243).
The spelling of 19029456 in words is "nineteen million, twenty-nine thousand, four hundred fifty-six".
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