Base | Representation |
---|---|
bin | 11011011011010111010000 |
3 | 111112021210010 |
4 | 123123113100 |
5 | 3320034333 |
6 | 414034520 |
7 | 115054002 |
oct | 33332720 |
9 | 14467703 |
10 | 7189968 |
11 | 4070a25 |
12 | 24a8a40 |
13 | 1649826 |
14 | d52372 |
15 | 970563 |
hex | 6db5d0 |
7189968 has 20 divisors (see below), whose sum is σ = 18574208. Its totient is φ = 2396640.
The previous prime is 7189943. The next prime is 7189993. The reversal of 7189968 is 8699817.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (7189943) and next prime (7189993).
It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 149791 = 7189968 / (7 + 1 + 8 + 9 + 9 + 6 + 8).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74848 + ... + 74943.
Almost surely, 27189968 is an apocalyptic number.
It is an amenable number.
7189968 is an abundant number, since it is smaller than the sum of its proper divisors (11384240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7189968 is a wasteful number, since it uses less digits than its factorization.
7189968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 149802 (or 149796 counting only the distinct ones).
The product of its digits is 217728, while the sum is 48.
The square root of 7189968 is about 2681.4115685586. The cubic root of 7189968 is about 193.0081519998.
The spelling of 7189968 in words is "seven million, one hundred eighty-nine thousand, nine hundred sixty-eight".
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