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230636054 = 21173143609
BaseRepresentation
bin11011011111100…
…11101000010110
3121001222112012002
431233303220112
5433020323204
634515155302
75500242215
oct1557635026
9531875162
10230636054
11109208310
12652a5b32
1338a2294c
14228b907c
15153ab91e
hexdbf3a16

230636054 has 16 divisors (see below), whose sum is σ = 382577040. Its totient is φ = 103397760.

The previous prime is 230636053. The next prime is 230636071. The reversal of 230636054 is 450636032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230636053) 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 7 ways as a sum of consecutive naturals, for example, 70199 + ... + 73410.

It is an arithmetic number, because the mean of its divisors is an integer number (23911065).

Almost surely, 2230636054 is an apocalyptic number.

230636054 is a deficient number, since it is larger than the sum of its proper divisors (151940986).

230636054 is a wasteful number, since it uses less digits than its factorization.

230636054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143695.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 230636054 is about 15186.7064895586. The cubic root of 230636054 is about 613.2568383517.

The spelling of 230636054 in words is "two hundred thirty million, six hundred thirty-six thousand, fifty-four".

Divisors: 1 2 11 22 73 146 803 1606 143609 287218 1579699 3159398 10483457 20966914 115318027 230636054