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230204755 = 511291011429
BaseRepresentation
bin11011011100010…
…10010101010011
3121001011121120001
431232022111103
5432413023010
634502030431
75463464614
oct1556122523
9531147501
10230204755
11108a43270
1265118417
1338901541
1422805c0b
1515323c3a
hexdb8a553

230204755 has 32 divisors (see below), whose sum is σ = 315057600. Its totient is φ = 159936000.

The previous prime is 230204753. The next prime is 230204759. The reversal of 230204755 is 557402032.

It is not a de Polignac number, because 230204755 - 21 = 230204753 is a prime.

It is a super-2 number, since 2×2302047552 = 105988458449220050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230204753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160381 + ... + 161809.

It is an arithmetic number, because the mean of its divisors is an integer number (9845550).

Almost surely, 2230204755 is an apocalyptic number.

230204755 is a deficient number, since it is larger than the sum of its proper divisors (84852845).

230204755 is a wasteful number, since it uses less digits than its factorization.

230204755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 230204755 is about 15172.4999588071. The cubic root of 230204755 is about 612.8743278963.

Adding to 230204755 its reverse (557402032), we get a palindrome (787606787).

The spelling of 230204755 in words is "two hundred thirty million, two hundred four thousand, seven hundred fifty-five".

Divisors: 1 5 11 29 55 101 145 319 505 1111 1429 1595 2929 5555 7145 14645 15719 32219 41441 78595 144329 161095 207205 455851 721645 1587619 2279255 4185541 7938095 20927705 46040951 230204755