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67164227 = 1316730937
BaseRepresentation
bin1000000000011…
…01100001000011
311200101021222222
410000031201003
5114143223402
610355321255
71443613034
oct400154103
9150337888
1067164227
1134a04529
121a5b022b
1310bb7b60
148cc4a8b
155d6a7a2
hex400d843

67164227 has 8 divisors (see below), whose sum is σ = 72766176. Its totient is φ = 61624512.

The previous prime is 67164199. The next prime is 67164241. The reversal of 67164227 is 72246176.

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 67164227 - 222 = 62969923 is a prime.

It is a super-2 number, since 2×671642272 = 9022066777015058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67164247) 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, 13298 + ... + 17639.

It is an arithmetic number, because the mean of its divisors is an integer number (9095772).

Almost surely, 267164227 is an apocalyptic number.

67164227 is a deficient number, since it is larger than the sum of its proper divisors (5601949).

67164227 is a wasteful number, since it uses less digits than its factorization.

67164227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31117.

The product of its digits is 28224, while the sum is 35.

The square root of 67164227 is about 8195.3783927284. The cubic root of 67164227 is about 406.4863879628.

The spelling of 67164227 in words is "sixty-seven million, one hundred sixty-four thousand, two hundred twenty-seven".

Divisors: 1 13 167 2171 30937 402181 5166479 67164227