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230005105 = 51125116661
BaseRepresentation
bin11011011010110…
…01100101110001
3121000210110200121
431231121211301
5432340130410
634453450241
75462003551
oct1555314561
9530713617
10230005105
11108917270
1265040981
13388616c5
1422793161
15152d49da
hexdb59971

230005105 has 16 divisors (see below), whose sum is σ = 302315328. Its totient is φ = 166600000.

The previous prime is 230005079. The next prime is 230005117. The reversal of 230005105 is 501500032.

It is not a de Polignac number, because 230005105 - 25 = 230005073 is a prime.

It is a super-2 number, since 2×2300051052 = 105804696652122050, which contains 22 as substring.

It is a Duffinian 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, 5475 + ... + 22135.

It is an arithmetic number, because the mean of its divisors is an integer number (18894708).

Almost surely, 2230005105 is an apocalyptic number.

It is an amenable number.

230005105 is a deficient number, since it is larger than the sum of its proper divisors (72310223).

230005105 is a wasteful number, since it uses less digits than its factorization.

230005105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16928.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 230005105 is about 15165.9191940350. The cubic root of 230005105 is about 612.6971005263.

Adding to 230005105 its reverse (501500032), we get a palindrome (731505137).

The spelling of 230005105 in words is "two hundred thirty million, five thousand, one hundred five".

Divisors: 1 5 11 55 251 1255 2761 13805 16661 83305 183271 916355 4181911 20909555 46001021 230005105