Base | Representation |
---|---|
bin | 11010100101001100011011 |
3 | 111010000102110 |
4 | 122211030123 |
5 | 3240434331 |
6 | 405203403 |
7 | 113141064 |
oct | 32451433 |
9 | 14100373 |
10 | 6968091 |
11 | 3a2a259 |
12 | 2400563 |
13 | 159c840 |
14 | cd556b |
15 | 929946 |
hex | 6a531b |
6968091 has 32 divisors (see below), whose sum is σ = 10624320. Its totient is φ = 4032000.
The previous prime is 6968063. The next prime is 6968111. The reversal of 6968091 is 1908696.
It is a de Polignac number, because none of the positive numbers 2k-6968091 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6968051) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68941 + ... + 69041.
It is an arithmetic number, because the mean of its divisors is an integer number (332010).
Almost surely, 26968091 is an apocalyptic number.
6968091 is a gapful number since it is divisible by the number (61) formed by its first and last digit.
6968091 is a deficient number, since it is larger than the sum of its proper divisors (3656229).
6968091 is a wasteful number, since it uses less digits than its factorization.
6968091 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 207.
The product of its (nonzero) digits is 23328, while the sum is 39.
The square root of 6968091 is about 2639.7141890743. The cubic root of 6968091 is about 191.0020101577.
The spelling of 6968091 in words is "six million, nine hundred sixty-eight thousand, ninety-one".
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