Base | Representation |
---|---|
bin | 100100010000… |
… | …0011100010000 |
3 | 1022202200001011 |
4 | 1020200130100 |
5 | 14331212443 |
6 | 1515220304 |
7 | 320362501 |
oct | 110403420 |
9 | 38680034 |
10 | 19007248 |
11 | a802477 |
12 | 6447694 |
13 | 3c265c0 |
14 | 274aba8 |
15 | 1a06b9d |
hex | 1220710 |
19007248 has 20 divisors (see below), whose sum is σ = 39659788. Its totient is φ = 8772480.
The previous prime is 19007227. The next prime is 19007251. The reversal of 19007248 is 84270091.
It can be written as a sum of positive squares in 2 ways, for example, as 9072144 + 9935104 = 3012^2 + 3152^2 .
It is a super-2 number, since 2×190072482 = 722550953067008, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45483 + ... + 45898.
Almost surely, 219007248 is an apocalyptic number.
It is an amenable number.
19007248 is an abundant number, since it is smaller than the sum of its proper divisors (20652540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19007248 is a wasteful number, since it uses less digits than its factorization.
19007248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91402 (or 91396 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 31.
The square root of 19007248 is about 4359.7302668858. The cubic root of 19007248 is about 266.8740913921.
The spelling of 19007248 in words is "nineteen million, seven thousand, two hundred forty-eight".
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