Base | Representation |
---|---|
bin | 11010001100011000111101 |
3 | 110220212001120 |
4 | 122030120331 |
5 | 3224211433 |
6 | 403101153 |
7 | 112235634 |
oct | 32143075 |
9 | 13825046 |
10 | 6866493 |
11 | 396a997 |
12 | 23717b9 |
13 | 156551a |
14 | caa51b |
15 | 9097b3 |
hex | 68c63d |
6866493 has 4 divisors (see below), whose sum is σ = 9155328. Its totient is φ = 4577660.
The previous prime is 6866473. The next prime is 6866513. The reversal of 6866493 is 3946686.
6866493 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (6866473) and next prime (6866513).
It is a cyclic number.
It is not a de Polignac number, because 6866493 - 212 = 6862397 is a prime.
It is a super-2 number, since 2×68664932 = 94297452238098, which contains 22 as substring.
It is a D-number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6866413) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144413 + ... + 1144418.
It is an arithmetic number, because the mean of its divisors is an integer number (2288832).
Almost surely, 26866493 is an apocalyptic number.
It is an amenable number.
6866493 is a deficient number, since it is larger than the sum of its proper divisors (2288835).
6866493 is a wasteful number, since it uses less digits than its factorization.
6866493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2288834.
The product of its digits is 186624, while the sum is 42.
The square root of 6866493 is about 2620.3993970386. The cubic root of 6866493 is about 190.0691622633.
The spelling of 6866493 in words is "six million, eight hundred sixty-six thousand, four hundred ninety-three".
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