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230624411 = 262187991
BaseRepresentation
bin11011011111100…
…00110010011011
3121001221221012212
431233300302123
5433014440121
634515025335
75500163243
oct1557606233
9531857185
10230624411
111091aa596
126529b24b
1338a1a564
14228b4b23
15153a825b
hexdbf0c9b

230624411 has 4 divisors (see below), whose sum is σ = 230715024. Its totient is φ = 230533800.

The previous prime is 230624393. The next prime is 230624417. The reversal of 230624411 is 114426032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230624411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230624417) 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 3 ways as a sum of consecutive naturals, for example, 41375 + ... + 46616.

It is an arithmetic number, because the mean of its divisors is an integer number (57678756).

Almost surely, 2230624411 is an apocalyptic number.

230624411 is a deficient number, since it is larger than the sum of its proper divisors (90613).

230624411 is an equidigital number, since it uses as much as digits as its factorization.

230624411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90612.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 230624411 is about 15186.3231560506. The cubic root of 230624411 is about 613.2465186735.

The spelling of 230624411 in words is "two hundred thirty million, six hundred twenty-four thousand, four hundred eleven".

Divisors: 1 2621 87991 230624411