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230414155 = 5197233923
BaseRepresentation
bin11011011101111…
…01011101001011
3121001120020210121
431232331131023
5432441223110
634510324111
75465326246
oct1556753513
9531506717
10230414155
11109076624
12651b9637
133897594a
142285c25d
1515365cda
hexdbbd74b

230414155 has 8 divisors (see below), whose sum is σ = 277901712. Its totient is φ = 183394848.

The previous prime is 230414143. The next prime is 230414189. The reversal of 230414155 is 551414032.

It is a happy number.

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 230414155 - 25 = 230414123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115977 + ... + 117946.

It is an arithmetic number, because the mean of its divisors is an integer number (34737714).

Almost surely, 2230414155 is an apocalyptic number.

230414155 is a deficient number, since it is larger than the sum of its proper divisors (47487557).

230414155 is a wasteful number, since it uses less digits than its factorization.

230414155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234125.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 230414155 is about 15179.3990328998. The cubic root of 230414155 is about 613.0601001832.

Adding to 230414155 its reverse (551414032), we get a palindrome (781828187).

The spelling of 230414155 in words is "two hundred thirty million, four hundred fourteen thousand, one hundred fifty-five".

Divisors: 1 5 197 985 233923 1169615 46082831 230414155