Search a number
-
+
235223155 = 573644447
BaseRepresentation
bin11100000010100…
…11100001110011
3121101121120111201
432001103201303
5440204120110
635201352031
75554235536
oct1601234163
9541546451
10235223155
11110860702
1266938617
133996a7cb
1423350a1d
15159b5b3a
hexe053873

235223155 has 8 divisors (see below), whose sum is σ = 286134912. Its totient is φ = 185600448.

The previous prime is 235223141. The next prime is 235223159. The reversal of 235223155 is 551322532.

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 235223155 - 25 = 235223123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235223159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321859 + ... + 322588.

It is an arithmetic number, because the mean of its divisors is an integer number (35766864).

Almost surely, 2235223155 is an apocalyptic number.

235223155 is a deficient number, since it is larger than the sum of its proper divisors (50911757).

235223155 is an equidigital number, since it uses as much as digits as its factorization.

235223155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644525.

The product of its digits is 9000, while the sum is 28.

The square root of 235223155 is about 15336.9865032216. The cubic root of 235223155 is about 617.2958495095.

Adding to 235223155 its reverse (551322532), we get a palindrome (786545687).

The spelling of 235223155 in words is "two hundred thirty-five million, two hundred twenty-three thousand, one hundred fifty-five".

Divisors: 1 5 73 365 644447 3222235 47044631 235223155