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8520227 = 19538461
BaseRepresentation
bin100000100000…
…001000100011
3121000212112222
4200200020203
54140121402
6502341255
7132264212
oct40401043
917025488
108520227
11489a411
122a2a82b
1319c4171
1411bb079
15b347a2
hex820223

8520227 has 8 divisors (see below), whose sum is σ = 9138960. Its totient is φ = 7918560.

The previous prime is 8520191. The next prime is 8520241. The reversal of 8520227 is 7220258.

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

It is a cyclic number.

It is not a de Polignac number, because 8520227 - 26 = 8520163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8520196 and 8520205.

It is not an unprimeable number, because it can be changed into a prime (8520427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3224 + ... + 5237.

It is an arithmetic number, because the mean of its divisors is an integer number (1142370).

Almost surely, 28520227 is an apocalyptic number.

8520227 is a deficient number, since it is larger than the sum of its proper divisors (618733).

8520227 is a wasteful number, since it uses less digits than its factorization.

8520227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8533.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 8520227 is about 2918.9427880656. The cubic root of 8520227 is about 204.2445085009.

The spelling of 8520227 in words is "eight million, five hundred twenty thousand, two hundred twenty-seven".

Divisors: 1 19 53 1007 8461 160759 448433 8520227