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6420214 = 2191071579
BaseRepresentation
bin11000011111011011110110
3110002011212201
4120133123312
53120421324
6345335114
7105366553
oct30373366
913064781
106420214
113695669
12219749a
13143a358
14bd1a2a
1586c444
hex61f6f6

6420214 has 16 divisors (see below), whose sum is σ = 10238400. Its totient is φ = 3010824.

The previous prime is 6420199. The next prime is 6420221. The reversal of 6420214 is 4120246.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 6420191 and 6420200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3277 + ... + 4855.

It is an arithmetic number, because the mean of its divisors is an integer number (639900).

Almost surely, 26420214 is an apocalyptic number.

6420214 is a deficient number, since it is larger than the sum of its proper divisors (3818186).

6420214 is a wasteful number, since it uses less digits than its factorization.

6420214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 6420214 is about 2533.8141210436. The cubic root of 6420214 is about 185.8588168225.

Subtracting from 6420214 its reverse (4120246), we obtain a cube (2299968 = 1323).

The spelling of 6420214 in words is "six million, four hundred twenty thousand, two hundred fourteen".

Divisors: 1 2 19 38 107 214 1579 2033 3158 4066 30001 60002 168953 337906 3210107 6420214