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67996801 = 197989509
BaseRepresentation
bin1000000110110…
…00110010000001
311201221121002001
410003120302001
5114401344201
610425224001
71453651255
oct403306201
9151847061
1067996801
1135423004
121a932001
1311119ac2
149060265
155e82301
hex40d8c81

67996801 has 16 divisors (see below), whose sum is σ = 73440000. Its totient is φ = 62764416.

The previous prime is 67996783. The next prime is 67996829. The reversal of 67996801 is 10869976.

It is a cyclic number.

It is not a de Polignac number, because 67996801 - 211 = 67994753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67996871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133335 + ... + 133843.

It is an arithmetic number, because the mean of its divisors is an integer number (4590000).

Almost surely, 267996801 is an apocalyptic number.

It is an amenable number.

67996801 is a deficient number, since it is larger than the sum of its proper divisors (5443199).

67996801 is a wasteful number, since it uses less digits than its factorization.

67996801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 67996801 is about 8246.0172810879. The cubic root of 67996801 is about 408.1591094959.

The spelling of 67996801 in words is "sixty-seven million, nine hundred ninety-six thousand, eight hundred one".

Divisors: 1 19 79 89 509 1501 1691 7031 9671 40211 45301 133589 764009 860719 3578779 67996801