Base | Representation |
---|---|
bin | 11010101001010101111000 |
3 | 111010212201200 |
4 | 122221111320 |
5 | 3242010310 |
6 | 405414200 |
7 | 113241444 |
oct | 32512570 |
9 | 14125650 |
10 | 6985080 |
11 | 3a40aa3 |
12 | 240a360 |
13 | 15a74ab |
14 | cdb824 |
15 | 92e9c0 |
hex | 6a9578 |
6985080 has 48 divisors (see below), whose sum is σ = 22702680. Its totient is φ = 1862592.
The previous prime is 6985073. The next prime is 6985081. The reversal of 6985080 is 805896.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6985081) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9342 + ... + 10061.
Almost surely, 26985080 is an apocalyptic number.
6985080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
6985080 is an abundant number, since it is smaller than the sum of its proper divisors (15717600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6985080 is a wasteful number, since it uses less digits than its factorization.
6985080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19420 (or 19413 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 6985080 is about 2642.9301920406. The cubic root of 6985080 is about 191.1571123965.
It can be divided in two parts, 698 and 5080, that added together give a triangular number (5778 = T107).
The spelling of 6985080 in words is "six million, nine hundred eighty-five thousand, eighty".
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