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67230468 = 22322971907
BaseRepresentation
bin1000000000111…
…01101100000100
311200111122212100
410000131230010
5114202333333
610400552100
71444310124
oct400355404
9150448770
1067230468
1134a4a278
121a622630
1310c0c056
148d00c84
155d80213
hex401db04

67230468 has 72 divisors (see below), whose sum is σ = 178476480. Its totient is φ = 21309120.

The previous prime is 67230467. The next prime is 67230473. The reversal of 67230468 is 86403276.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67230463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73671 + ... + 74577.

It is an arithmetic number, because the mean of its divisors is an integer number (2478840).

Almost surely, 267230468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67230468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89238240).

67230468 is an abundant number, since it is smaller than the sum of its proper divisors (111246012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67230468 is a wasteful number, since it uses less digits than its factorization.

67230468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 67230468 is about 8199.4187598878. The cubic root of 67230468 is about 406.6199770220.

The spelling of 67230468 in words is "sixty-seven million, two hundred thirty thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 71 87 116 142 174 213 261 284 348 426 522 639 852 907 1044 1278 1814 2059 2556 2721 3628 4118 5442 6177 8163 8236 10884 12354 16326 18531 24708 26303 32652 37062 52606 64397 74124 78909 105212 128794 157818 193191 236727 257588 315636 386382 473454 579573 772764 946908 1159146 1867513 2318292 3735026 5602539 7470052 11205078 16807617 22410156 33615234 67230468