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67828256 = 2513191607
BaseRepresentation
bin1000000101011…
…11101000100000
311201122000212122
410002233220200
5114331001011
610421443412
71452350006
oct402575040
9151560778
1067828256
1135318411
121a870568
131108b182
149018a76
155e4c3db
hex40afa20

67828256 has 24 divisors (see below), whose sum is σ = 133721280. Its totient is φ = 33867328.

The previous prime is 67828253. The next prime is 67828261. The reversal of 67828256 is 65282876.

It is not an unprimeable number, because it can be changed into a prime (67828253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41405 + ... + 43011.

It is an arithmetic number, because the mean of its divisors is an integer number (5571720).

Almost surely, 267828256 is an apocalyptic number.

It is an amenable number.

67828256 is a deficient number, since it is larger than the sum of its proper divisors (65893024).

67828256 is a wasteful number, since it uses less digits than its factorization.

67828256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936 (or 2928 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 67828256 is about 8235.7911581098. The cubic root of 67828256 is about 407.8215931512.

The spelling of 67828256 in words is "sixty-seven million, eight hundred twenty-eight thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 32 1319 1607 2638 3214 5276 6428 10552 12856 21104 25712 42208 51424 2119633 4239266 8478532 16957064 33914128 67828256