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230171485 = 51091632591
BaseRepresentation
bin11011011100000…
…10001101011101
3121001002220220211
431232002031131
5432410441420
634501212421
75463265615
oct1556021535
9531086824
10230171485
11108a20275
1265101111
13388bc35b
14227d7a45
1515318e5a
hexdb8235d

230171485 has 16 divisors (see below), whose sum is σ = 280558080. Its totient is φ = 181258560.

The previous prime is 230171429. The next prime is 230171509. The reversal of 230171485 is 584171032.

It is not a de Polignac number, because 230171485 - 211 = 230169437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87540 + ... + 90130.

It is an arithmetic number, because the mean of its divisors is an integer number (17534880).

Almost surely, 2230171485 is an apocalyptic number.

It is an amenable number.

230171485 is a deficient number, since it is larger than the sum of its proper divisors (50386595).

230171485 is a wasteful number, since it uses less digits than its factorization.

230171485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 230171485 is about 15171.4035276898. The cubic root of 230171485 is about 612.8448015568.

The spelling of 230171485 in words is "two hundred thirty million, one hundred seventy-one thousand, four hundred eighty-five".

Divisors: 1 5 109 163 545 815 2591 12955 17767 88835 282419 422333 1412095 2111665 46034297 230171485