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8214214 = 215672621
BaseRepresentation
bin11111010101011011000110
3120110022210011
4133111123012
54100323324
6452020434
7126551101
oct37253306
916408704
108214214
114700508
12290171a
131917aa8
14113b738
15ac3c94
hex7d56c6

8214214 has 8 divisors (see below), whose sum is σ = 12333888. Its totient is φ = 4102920.

The previous prime is 8214211. The next prime is 8214223. The reversal of 8214214 is 4124128.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8214211) 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, 1824 + ... + 4444.

It is an arithmetic number, because the mean of its divisors is an integer number (1541736).

Almost surely, 28214214 is an apocalyptic number.

8214214 is a deficient number, since it is larger than the sum of its proper divisors (4119674).

8214214 is a wasteful number, since it uses less digits than its factorization.

8214214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190.

The product of its digits is 512, while the sum is 22.

The square root of 8214214 is about 2866.0450101141. The cubic root of 8214214 is about 201.7694163313.

The spelling of 8214214 in words is "eight million, two hundred fourteen thousand, two hundred fourteen".

Divisors: 1 2 1567 2621 3134 5242 4107107 8214214