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67794085 = 5103131639
BaseRepresentation
bin1000000101001…
…11010010100101
311201120022000001
410002213102211
5114323402320
610421021301
71452145252
oct402472245
9151508001
1067794085
11352a4777
121a854831
1311078758
14900a429
155e4220a
hex40a74a5

67794085 has 8 divisors (see below), whose sum is σ = 82143360. Its totient is φ = 53708304.

The previous prime is 67794073. The next prime is 67794107. The reversal of 67794085 is 58049776.

It is a happy number.

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 67794085 - 29 = 67793573 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 65305 + ... + 66334.

It is an arithmetic number, because the mean of its divisors is an integer number (10267920).

Almost surely, 267794085 is an apocalyptic number.

It is an amenable number.

67794085 is a deficient number, since it is larger than the sum of its proper divisors (14349275).

67794085 is a wasteful number, since it uses less digits than its factorization.

67794085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131747.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 67794085 is about 8233.7163541137. The cubic root of 67794085 is about 407.7530965622.

The spelling of 67794085 in words is "sixty-seven million, seven hundred ninety-four thousand, eighty-five".

Divisors: 1 5 103 515 131639 658195 13558817 67794085