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67669068 = 22316733767
BaseRepresentation
bin1000000100010…
…00110001001100
311201022221111210
410002020301030
5114310402233
610414214420
71451114625
oct402106114
9151287453
1067669068
1135219855
121a7b4410
131103388c
148db6a4c
155e1a163
hex4088c4c

67669068 has 24 divisors (see below), whose sum is σ = 158844672. Its totient is φ = 22420624.

The previous prime is 67669037. The next prime is 67669079. The reversal of 67669068 is 86096676.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14880 + ... + 18887.

It is an arithmetic number, because the mean of its divisors is an integer number (6618528).

Almost surely, 267669068 is an apocalyptic number.

It is an amenable number.

67669068 is an abundant number, since it is smaller than the sum of its proper divisors (91175604).

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

67669068 is a wasteful number, since it uses less digits than its factorization.

67669068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33941 (or 33939 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 67669068 is about 8226.1210786129. The cubic root of 67669068 is about 407.5023006632.

The spelling of 67669068 in words is "sixty-seven million, six hundred sixty-nine thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 167 334 501 668 1002 2004 33767 67534 101301 135068 202602 405204 5639089 11278178 16917267 22556356 33834534 67669068