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105120273 = 3291208279
BaseRepresentation
bin1100100010000…
…00001000010001
321022210122220110
412101000020101
5203402322043
614233031533
72414336046
oct621001021
9238718813
10105120273
1154379465
122b2555a9
1318a1725b
14dd651cd
159366b33
hex6440211

105120273 has 8 divisors (see below), whose sum is σ = 144993600. Its totient is φ = 67663568.

The previous prime is 105120259. The next prime is 105120277. The reversal of 105120273 is 372021501.

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

It is a cyclic number.

It is not a de Polignac number, because 105120273 - 210 = 105119249 is a prime.

It is a super-2 number, since 2×1051202732 = 22100543591189058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105120277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604053 + ... + 604226.

It is an arithmetic number, because the mean of its divisors is an integer number (18124200).

Almost surely, 2105120273 is an apocalyptic number.

It is an amenable number.

105120273 is a deficient number, since it is larger than the sum of its proper divisors (39873327).

105120273 is a wasteful number, since it uses less digits than its factorization.

105120273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208311.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 105120273 is about 10252.8178078029. The cubic root of 105120273 is about 471.9494598404.

Adding to 105120273 its reverse (372021501), we get a palindrome (477141774).

The spelling of 105120273 in words is "one hundred five million, one hundred twenty thousand, two hundred seventy-three".

Divisors: 1 3 29 87 1208279 3624837 35040091 105120273