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67285361 = 1113835669
BaseRepresentation
bin1000000001010…
…11000101110001
311200121110011102
410000223011301
5114211112421
610402054145
71444626143
oct400530561
9150543142
1067285361
1134a87540
121a64a355
1310c2b030
148d16c93
155d9160b
hex402b171

67285361 has 16 divisors (see below), whose sum is σ = 80015040. Its totient is φ = 55773120.

The previous prime is 67285357. The next prime is 67285363. The reversal of 67285361 is 16358276.

It is not a de Polignac number, because 67285361 - 22 = 67285357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67285363) 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, 9035 + ... + 14703.

It is an arithmetic number, because the mean of its divisors is an integer number (5000940).

Almost surely, 267285361 is an apocalyptic number.

It is an amenable number.

67285361 is a deficient number, since it is larger than the sum of its proper divisors (12729679).

67285361 is a wasteful number, since it uses less digits than its factorization.

67285361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5776.

The product of its digits is 60480, while the sum is 38.

The square root of 67285361 is about 8202.7654483107. The cubic root of 67285361 is about 406.7306139548.

The spelling of 67285361 in words is "sixty-seven million, two hundred eighty-five thousand, three hundred sixty-one".

Divisors: 1 11 13 83 143 913 1079 5669 11869 62359 73697 470527 810667 5175797 6116851 67285361