Search a number
-
+
68022235 = 583163909
BaseRepresentation
bin1000000110111…
…10111111011011
311201222212222001
410003132333123
5114403202420
610425541431
71454115361
oct403367733
9151885861
1068022235
1135440126
121a944877
1311128558
149069631
155e89b0a
hex40defdb

68022235 has 8 divisors (see below), whose sum is σ = 82610640. Its totient is φ = 53761824.

The previous prime is 68022217. The next prime is 68022257. The reversal of 68022235 is 53222086.

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 68022235 - 27 = 68022107 is a prime.

It is a super-3 number, since 3×680222353 (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81540 + ... + 82369.

It is an arithmetic number, because the mean of its divisors is an integer number (10326330).

Almost surely, 268022235 is an apocalyptic number.

68022235 is a deficient number, since it is larger than the sum of its proper divisors (14588405).

68022235 is a wasteful number, since it uses less digits than its factorization.

68022235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163997.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 68022235 is about 8247.5593359490. The cubic root of 68022235 is about 408.2099933834.

The spelling of 68022235 in words is "sixty-eight million, twenty-two thousand, two hundred thirty-five".

Divisors: 1 5 83 415 163909 819545 13604447 68022235