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230612055 = 3517904361
BaseRepresentation
bin11011011111011…
…01110001010111
3121001221022021020
431233231301113
5433014041210
634514452223
75500112232
oct1557556127
9531838236
10230612055
111091a1283
1265294073
1338a14a4b
14228b0419
15153a4770
hexdbedc57

230612055 has 16 divisors (see below), whose sum is σ = 390684384. Its totient is φ = 115758080.

The previous prime is 230612029. The next prime is 230612059. The reversal of 230612055 is 550216032.

It is not a de Polignac number, because 230612055 - 29 = 230611543 is a prime.

It is a super-2 number, since 2×2306120552 = 106363839822646050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230612059) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 451926 + ... + 452435.

It is an arithmetic number, because the mean of its divisors is an integer number (24417774).

Almost surely, 2230612055 is an apocalyptic number.

230612055 is a deficient number, since it is larger than the sum of its proper divisors (160072329).

230612055 is a wasteful number, since it uses less digits than its factorization.

230612055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904386.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 230612055 is about 15185.9163371856. The cubic root of 230612055 is about 613.2355666538.

Adding to 230612055 its reverse (550216032), we get a palindrome (780828087).

The spelling of 230612055 in words is "two hundred thirty million, six hundred twelve thousand, fifty-five".

Divisors: 1 3 5 15 17 51 85 255 904361 2713083 4521805 13565415 15374137 46122411 76870685 230612055