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8506214 = 231137197
BaseRepresentation
bin100000011100…
…101101100110
3121000011022222
4200130231212
54134144324
6502152342
7132205313
oct40345546
917004288
108506214
11488a932
122a226b2
1319ba982
1411b5d0a
15b3055e
hex81cb66

8506214 has 8 divisors (see below), whose sum is σ = 13171008. Its totient is φ = 4115880.

The previous prime is 8506213. The next prime is 8506219. The reversal of 8506214 is 4126058.

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

It is a super-2 number, since 2×85062142 = 144711353227592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8506213) by changing a digit.

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, 68537 + ... + 68660.

It is an arithmetic number, because the mean of its divisors is an integer number (1646376).

Almost surely, 28506214 is an apocalyptic number.

8506214 is a deficient number, since it is larger than the sum of its proper divisors (4664794).

8506214 is a wasteful number, since it uses less digits than its factorization.

8506214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137230.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 8506214 is about 2916.5414449310. The cubic root of 8506214 is about 204.1324751480.

The spelling of 8506214 in words is "eight million, five hundred six thousand, two hundred fourteen".

Divisors: 1 2 31 62 137197 274394 4253107 8506214