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8457214 = 216725321
BaseRepresentation
bin100000010000…
…101111111110
3120220200010011
4200100233332
54131112324
6501133434
7131612413
oct40205776
916820104
108457214
114857037
1229ba27a
1319a158c
1411a210a
15b20c94
hex810bfe

8457214 has 8 divisors (see below), whose sum is σ = 12762288. Its totient is φ = 4203120.

The previous prime is 8457181. The next prime is 8457217. The reversal of 8457214 is 4127548.

8457214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8457217) 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, 12327 + ... + 12994.

It is an arithmetic number, because the mean of its divisors is an integer number (1595286).

Almost surely, 28457214 is an apocalyptic number.

8457214 is a deficient number, since it is larger than the sum of its proper divisors (4305074).

8457214 is a wasteful number, since it uses less digits than its factorization.

8457214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25490.

The product of its digits is 8960, while the sum is 31.

The square root of 8457214 is about 2908.1289517489. The cubic root of 8457214 is about 203.7397520784.

The spelling of 8457214 in words is "eight million, four hundred fifty-seven thousand, two hundred fourteen".

Divisors: 1 2 167 334 25321 50642 4228607 8457214