Search a number
-
+
235022218 = 2281418189
BaseRepresentation
bin11100000001000…
…10011110001010
3121101020100212121
432000202132022
5440131202333
635153201454
75552440654
oct1600423612
9541210777
10235022218
11110733742
126686028a
13398ca202
14232db6d4
151597632d
hexe02278a

235022218 has 8 divisors (see below), whose sum is σ = 353788740. Its totient is φ = 117092640.

The previous prime is 235022213. The next prime is 235022237. The reversal of 235022218 is 812220532.

It can be written as a sum of positive squares in 2 ways, for example, as 221206129 + 13816089 = 14873^2 + 3717^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 235022192 and 235022201.

It is not an unprimeable number, because it can be changed into a prime (235022213) 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, 208533 + ... + 209656.

Almost surely, 2235022218 is an apocalyptic number.

235022218 is a deficient number, since it is larger than the sum of its proper divisors (118766522).

235022218 is a wasteful number, since it uses less digits than its factorization.

235022218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418472.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 235022218 is about 15330.4343708846. The cubic root of 235022218 is about 617.1200265239.

The spelling of 235022218 in words is "two hundred thirty-five million, twenty-two thousand, two hundred eighteen".

Divisors: 1 2 281 562 418189 836378 117511109 235022218