Search a number
-
+
67790633 = 203933247
BaseRepresentation
bin1000000101001…
…10011100101001
311201120010021012
410002212130221
5114323300013
610420553305
71452132221
oct402463451
9151503235
1067790633
11352a2119
121a852835
1311077001
149009081
155e411a8
hex40a6729

67790633 has 4 divisors (see below), whose sum is σ = 67825920. Its totient is φ = 67755348.

The previous prime is 67790609. The next prime is 67790659. The reversal of 67790633 is 33609776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-67790633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67790663) 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 3 ways as a sum of consecutive naturals, for example, 14585 + ... + 18662.

It is an arithmetic number, because the mean of its divisors is an integer number (16956480).

Almost surely, 267790633 is an apocalyptic number.

It is an amenable number.

67790633 is a deficient number, since it is larger than the sum of its proper divisors (35287).

67790633 is a wasteful number, since it uses less digits than its factorization.

67790633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35286.

The product of its (nonzero) digits is 142884, while the sum is 41.

The square root of 67790633 is about 8233.5067255696. The cubic root of 67790633 is about 407.7461756655.

The spelling of 67790633 in words is "sixty-seven million, seven hundred ninety thousand, six hundred thirty-three".

Divisors: 1 2039 33247 67790633