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67063085 = 5412771181
BaseRepresentation
bin1111111111010…
…0110100101101
311200012011020222
43333310310231
5114132004320
610353221125
71443012125
oct377646455
9150164228
1067063085
1134945541
121a5617a5
1310b80acb
148c99c85
155d4a825
hex3ff4d2d

67063085 has 16 divisors (see below), whose sum is σ = 82806192. Its totient is φ = 52108800.

The previous prime is 67063081. The next prime is 67063093. The reversal of 67063085 is 58036076.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5299204 + 61763881 = 2302^2 + 7859^2 .

It is not a de Polignac number, because 67063085 - 22 = 67063081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67063081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56195 + ... + 57375.

It is an arithmetic number, because the mean of its divisors is an integer number (5175387).

Almost surely, 267063085 is an apocalyptic number.

It is an amenable number.

67063085 is a deficient number, since it is larger than the sum of its proper divisors (15743107).

67063085 is a wasteful number, since it uses less digits than its factorization.

67063085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 67063085 is about 8189.2053949086. The cubic root of 67063085 is about 406.2822440679.

The spelling of 67063085 in words is "sixty-seven million, sixty-three thousand, eighty-five".

Divisors: 1 5 41 205 277 1181 1385 5905 11357 48421 56785 242105 327137 1635685 13412617 67063085