Base | Representation |
---|---|
bin | 100100010101… |
… | …0101111111110 |
3 | 1022211210221221 |
4 | 1020222233332 |
5 | 14334040340 |
6 | 1520143554 |
7 | 320626546 |
oct | 110525776 |
9 | 38753857 |
10 | 19049470 |
11 | a831170 |
12 | 6467bba |
13 | 3c3c89b |
14 | 275c326 |
15 | 1a1444a |
hex | 122abfe |
19049470 has 16 divisors (see below), whose sum is σ = 37406448. Its totient is φ = 6927040.
The previous prime is 19049453. The next prime is 19049477. The reversal of 19049470 is 7494091.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19049477) 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, 86479 + ... + 86698.
It is an arithmetic number, because the mean of its divisors is an integer number (2337903).
Almost surely, 219049470 is an apocalyptic number.
19049470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19049470 is a deficient number, since it is larger than the sum of its proper divisors (18356978).
19049470 is a wasteful number, since it uses less digits than its factorization.
19049470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 173195.
The product of its (nonzero) digits is 9072, while the sum is 34.
The square root of 19049470 is about 4364.5698528034. The cubic root of 19049470 is about 267.0715533421.
The spelling of 19049470 in words is "nineteen million, forty-nine thousand, four hundred seventy".
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