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105352145 = 5174726371
BaseRepresentation
bin1100100011110…
…00101111010001
321100020102222022
412101320233101
5203432232040
614242021225
72416323053
oct621705721
9240212868
10105352145
1154517698
122b347815
1318a98962
14ddc58d3
1593b06b5
hex6478bd1

105352145 has 16 divisors (see below), whose sum is σ = 136712448. Its totient is φ = 77633280.

The previous prime is 105352141. The next prime is 105352147. The reversal of 105352145 is 541253501.

It is not a de Polignac number, because 105352145 - 22 = 105352141 is a prime.

It is a super-2 number, since 2×1053521452 = 22198148912202050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105352141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9191 + ... + 17180.

It is an arithmetic number, because the mean of its divisors is an integer number (8544528).

Almost surely, 2105352145 is an apocalyptic number.

It is an amenable number.

105352145 is a deficient number, since it is larger than the sum of its proper divisors (31360303).

105352145 is a wasteful number, since it uses less digits than its factorization.

105352145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26440.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 105352145 is about 10264.1192997743. The cubic root of 105352145 is about 472.2962102805.

The spelling of 105352145 in words is "one hundred five million, three hundred fifty-two thousand, one hundred forty-five".

Divisors: 1 5 17 47 85 235 799 3995 26371 131855 448307 1239437 2241535 6197185 21070429 105352145