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67230825 = 3521396449
BaseRepresentation
bin1000000000111…
…01110001101001
311200111200100120
410000131301221
5114202341300
610400553453
71444311144
oct400356151
9150450316
1067230825
1134a4a572
121a622889
1310c0c26c
148d0105b
155d803a0
hex401dc69

67230825 has 24 divisors (see below), whose sum is σ = 111972000. Its totient is φ = 35592960.

The previous prime is 67230811. The next prime is 67230827. The reversal of 67230825 is 52803276.

It is not a de Polignac number, because 67230825 - 24 = 67230809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67230827) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 7201 + ... + 13649.

It is an arithmetic number, because the mean of its divisors is an integer number (4665500).

Almost surely, 267230825 is an apocalyptic number.

It is an amenable number.

67230825 is a deficient number, since it is larger than the sum of its proper divisors (44741175).

67230825 is a wasteful number, since it uses less digits than its factorization.

67230825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6601 (or 6596 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 67230825 is about 8199.4405296947. The cubic root of 67230825 is about 406.6206967506.

The spelling of 67230825 in words is "sixty-seven million, two hundred thirty thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 139 417 695 2085 3475 6449 10425 19347 32245 96735 161225 483675 896411 2689233 4482055 13446165 22410275 67230825