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67782064 = 2475871031
BaseRepresentation
bin1000000101001…
…00010110110000
311201112200111211
410002210112300
5114323011224
610420445504
71452065230
oct402442660
9151480454
1067782064
1135296739
121a849894
131107313c
149005cc0
155e3d894
hex40a45b0

67782064 has 40 divisors (see below), whose sum is σ = 150490368. Its totient is φ = 28971840.

The previous prime is 67782047. The next prime is 67782097. The reversal of 67782064 is 46028776.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

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, 65229 + ... + 66259.

Almost surely, 267782064 is an apocalyptic number.

It is an amenable number.

67782064 is an abundant number, since it is smaller than the sum of its proper divisors (82708304).

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

67782064 is a wasteful number, since it uses less digits than its factorization.

67782064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633 (or 1627 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 67782064 is about 8232.9863354678. The cubic root of 67782064 is about 407.7289947068.

The spelling of 67782064 in words is "sixty-seven million, seven hundred eighty-two thousand, sixty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 587 1031 1174 2062 2348 4109 4124 4696 7217 8218 8248 9392 14434 16436 16496 28868 32872 57736 65744 115472 605197 1210394 2420788 4236379 4841576 8472758 9683152 16945516 33891032 67782064