Search a number
-
+
67285060 = 2253364253
BaseRepresentation
bin1000000001010…
…11000001000100
311200121102202021
410000223001010
5114211110220
610402052524
71444625233
oct400530104
9150542667
1067285060
1134a87297
121a64a144
1310c2ab5b
148d16b1a
155d914aa
hex402b044

67285060 has 12 divisors (see below), whose sum is σ = 141298668. Its totient is φ = 26914016.

The previous prime is 67285027. The next prime is 67285069. The reversal of 67285060 is 6058276.

It can be written as a sum of positive squares in 2 ways, for example, as 44836416 + 22448644 = 6696^2 + 4738^2 .

It is not an unprimeable number, because it can be changed into a prime (67285069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682107 + ... + 1682146.

It is an arithmetic number, because the mean of its divisors is an integer number (11774889).

Almost surely, 267285060 is an apocalyptic number.

It is an amenable number.

67285060 is an abundant number, since it is smaller than the sum of its proper divisors (74013608).

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

67285060 is a wasteful number, since it uses less digits than its factorization.

67285060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364262 (or 3364260 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 67285060 is about 8202.7471008193. The cubic root of 67285060 is about 406.7300074529.

The spelling of 67285060 in words is "sixty-seven million, two hundred eighty-five thousand, sixty".

Divisors: 1 2 4 5 10 20 3364253 6728506 13457012 16821265 33642530 67285060