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2305105 = 51141911
BaseRepresentation
bin1000110010110001010001
311100010000021
420302301101
51042230410
6121223441
725410265
oct10626121
94303007
102305105
111334950
12931b81
1362928a
144400a5
15307eda
hex232c51

2305105 has 8 divisors (see below), whose sum is σ = 3017664. Its totient is φ = 1676400.

The previous prime is 2305103. The next prime is 2305109. The reversal of 2305105 is 5015032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2305105 - 21 = 2305103 is a prime.

It is a super-2 number, since 2×23051052 = 10627018122050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2305103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20901 + ... + 21010.

It is an arithmetic number, because the mean of its divisors is an integer number (377208).

22305105 is an apocalyptic number.

It is an amenable number.

2305105 is a deficient number, since it is larger than the sum of its proper divisors (712559).

2305105 is a wasteful number, since it uses less digits than its factorization.

2305105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41927.

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

The square root of 2305105 is about 1518.2572245835. The cubic root of 2305105 is about 132.0982013358.

It can be divided in two parts, 230 and 5105, that added together give a palindrome (5335).

The spelling of 2305105 in words is "two million, three hundred five thousand, one hundred five".

Divisors: 1 5 11 55 41911 209555 461021 2305105