Search a number
-
+
230253406 = 21761671657
BaseRepresentation
bin11011011100101…
…10001101011110
3121001021002021221
431232112031132
5432421102111
634503043554
75464056505
oct1556261536
9531232257
10230253406
11108a76879
12651405ba
133891a726
142281983c
1515333371
hexdb9635e

230253406 has 32 divisors (see below), whose sum is σ = 377466912. Its totient is φ = 104924160.

The previous prime is 230253349. The next prime is 230253409. The reversal of 230253406 is 604352032.

It is a happy number.

230253406 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230253409) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 138130 + ... + 139786.

It is an arithmetic number, because the mean of its divisors is an integer number (11795841).

Almost surely, 2230253406 is an apocalyptic number.

230253406 is a deficient number, since it is larger than the sum of its proper divisors (147213506).

230253406 is a wasteful number, since it uses less digits than its factorization.

230253406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 230253406 is about 15174.1031365943. The cubic root of 230253406 is about 612.9174993890.

The spelling of 230253406 in words is "two hundred thirty million, two hundred fifty-three thousand, four hundred six".

Divisors: 1 2 17 34 61 67 122 134 1037 1139 1657 2074 2278 3314 4087 8174 28169 56338 69479 101077 111019 138958 202154 222038 1718309 1887323 3436618 3774646 6772159 13544318 115126703 230253406