Search a number
-
+
67213033 = 611397927
BaseRepresentation
bin1000000000110…
…01011011101001
311200110202221121
410000121123221
5114201304113
610400335241
71444205236
oct400313351
9150422847
1067213033
1134a38168
121a614521
1310c04134
148cd878d
155d79e8d
hex40196e9

67213033 has 8 divisors (see below), whose sum is σ = 68815040. Its totient is φ = 65627280.

The previous prime is 67213021. The next prime is 67213043. The reversal of 67213033 is 33031276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67213033 - 25 = 67213001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67212989 and 67213007.

It is not an unprimeable number, because it can be changed into a prime (67213043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4516 + ... + 12442.

It is an arithmetic number, because the mean of its divisors is an integer number (8601880).

Almost surely, 267213033 is an apocalyptic number.

It is an amenable number.

67213033 is a deficient number, since it is larger than the sum of its proper divisors (1602007).

67213033 is a wasteful number, since it uses less digits than its factorization.

67213033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8127.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 67213033 is about 8198.3555058316. The cubic root of 67213033 is about 406.5848241494.

The spelling of 67213033 in words is "sixty-seven million, two hundred thirteen thousand, thirty-three".

Divisors: 1 61 139 7927 8479 483547 1101853 67213033