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6400214 = 210331069
BaseRepresentation
bin11000011010100011010110
3110001011102222
4120122203112
53114301324
6345102342
7105254342
oct30324326
913034388
106400214
113681637
1221879b2
131431212
14bc8622
1586655e
hex61a8d6

6400214 has 8 divisors (see below), whose sum is σ = 9693840. Its totient is φ = 3168936.

The previous prime is 6400201. The next prime is 6400231. The reversal of 6400214 is 4120046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6400192 and 6400201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15329 + ... + 15740.

It is an arithmetic number, because the mean of its divisors is an integer number (1211730).

Almost surely, 26400214 is an apocalyptic number.

6400214 is a deficient number, since it is larger than the sum of its proper divisors (3293626).

6400214 is a wasteful number, since it uses less digits than its factorization.

6400214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31174.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 6400214 is about 2529.8644232449. The cubic root of 6400214 is about 185.6656226965.

The spelling of 6400214 in words is "six million, four hundred thousand, two hundred fourteen".

Divisors: 1 2 103 206 31069 62138 3200107 6400214