Base | Representation |
---|---|
bin | 100100101000… |
… | …1010001001100 |
3 | 1100010211101102 |
4 | 1021101101030 |
5 | 14404112434 |
6 | 1523402232 |
7 | 322154540 |
oct | 111212114 |
9 | 40124342 |
10 | 19207244 |
11 | a929761 |
12 | 6523378 |
13 | 3c96644 |
14 | 279da20 |
15 | 1a4607e |
hex | 125144c |
19207244 has 12 divisors (see below), whose sum is σ = 38414544. Its totient is φ = 8231664.
The previous prime is 19207241. The next prime is 19207247. The reversal of 19207244 is 44270291.
It is an interprime number because it is at equal distance from previous prime (19207241) and next prime (19207247).
19207244 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (19207241) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342959 + ... + 343014.
It is an arithmetic number, because the mean of its divisors is an integer number (3201212).
Almost surely, 219207244 is an apocalyptic number.
19207244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
19207244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19207244 is a wasteful number, since it uses less digits than its factorization.
19207244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 685984 (or 685982 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 29.
The square root of 19207244 is about 4382.6069867146. The cubic root of 19207244 is about 267.8068519950.
The spelling of 19207244 in words is "nineteen million, two hundred seven thousand, two hundred forty-four".
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