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67824201 = 343525769
BaseRepresentation
bin1000000101011…
…10101001001001
311201121211022110
410002232221021
5114330333301
610421412533
71452332124
oct402565111
9151554273
1067824201
1135315365
121a86a149
1311089383
1490173bb
155e4b0d6
hex40aea49

67824201 has 8 divisors (see below), whose sum is σ = 92535520. Its totient is φ = 44164512.

The previous prime is 67824199. The next prime is 67824221. The reversal of 67824201 is 10242876.

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

It is not a de Polignac number, because 67824201 - 21 = 67824199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67824221) 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 7 ways as a sum of consecutive naturals, for example, 262756 + ... + 263013.

It is an arithmetic number, because the mean of its divisors is an integer number (11566940).

Almost surely, 267824201 is an apocalyptic number.

It is an amenable number.

67824201 is a deficient number, since it is larger than the sum of its proper divisors (24711319).

67824201 is a wasteful number, since it uses less digits than its factorization.

67824201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525815.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 67824201 is about 8235.5449728600. The cubic root of 67824201 is about 407.8134660097.

The spelling of 67824201 in words is "sixty-seven million, eight hundred twenty-four thousand, two hundred one".

Divisors: 1 3 43 129 525769 1577307 22608067 67824201