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67820348 = 2219267701
BaseRepresentation
bin1000000101011…
…01101100111100
311201121122000202
410002231230330
5114330222343
610421343032
71452314651
oct402555474
9151548022
1067820348
1135312482
121a867a78
13110876ab
149015c28
155e49db8
hex40adb3c

67820348 has 36 divisors (see below), whose sum is σ = 127311912. Its totient is φ = 31600800.

The previous prime is 67820341. The next prime is 67820351. The reversal of 67820348 is 84302876.

It is a super-2 number, since 2×678203482 = 9199199205682208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67820341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96398 + ... + 97098.

It is an arithmetic number, because the mean of its divisors is an integer number (3536442).

Almost surely, 267820348 is an apocalyptic number.

It is an amenable number.

67820348 is a deficient number, since it is larger than the sum of its proper divisors (59491564).

67820348 is a wasteful number, since it uses less digits than its factorization.

67820348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 67820348 is about 8235.3110445204. The cubic root of 67820348 is about 407.8057434219.

The spelling of 67820348 in words is "sixty-seven million, eight hundred twenty thousand, three hundred forty-eight".

Divisors: 1 2 4 19 38 67 76 134 268 361 701 722 1273 1402 1444 2546 2804 5092 13319 24187 26638 46967 48374 53276 93934 96748 187868 253061 506122 892373 1012244 1784746 3569492 16955087 33910174 67820348