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105412245 = 3529317817
BaseRepresentation
bin1100100100001…
…11011010010101
321100100111102020
412102013122111
5203441142440
614243203353
72416663221
oct622073225
9240314366
10105412245
1154558864
122b376559
1318aba113
14dddd781
1593c33d0
hex6487695

105412245 has 32 divisors (see below), whose sum is σ = 180126720. Its totient is φ = 52523520.

The previous prime is 105412231. The next prime is 105412259. The reversal of 105412245 is 542214501.

It is an interprime number because it is at equal distance from previous prime (105412231) and next prime (105412259).

It is not a de Polignac number, because 105412245 - 28 = 105411989 is a prime.

It is a super-2 number, since 2×1054122452 = 22223482791880050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9577 + ... + 17393.

It is an arithmetic number, because the mean of its divisors is an integer number (5628960).

Almost surely, 2105412245 is an apocalyptic number.

105412245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105412245 is a deficient number, since it is larger than the sum of its proper divisors (74714475).

105412245 is a wasteful number, since it uses less digits than its factorization.

105412245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7885.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 105412245 is about 10267.0465568244. The cubic root of 105412245 is about 472.3860031252.

Adding to 105412245 its reverse (542214501), we get a palindrome (647626746).

The spelling of 105412245 in words is "one hundred five million, four hundred twelve thousand, two hundred forty-five".

Divisors: 1 3 5 15 29 31 87 93 145 155 435 465 899 2697 4495 7817 13485 23451 39085 117255 226693 242327 680079 726981 1133465 1211635 3400395 3634905 7027483 21082449 35137415 105412245