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105125317 = 119556847
BaseRepresentation
bin1100100010000…
…01010111000101
321022210220211021
412101001113011
5203403002232
614233111141
72414356543
oct621012705
9238726737
10105125317
1154382230
122b2584b1
1318a1963b
14dd66d93
159368397
hex64415c5

105125317 has 4 divisors (see below), whose sum is σ = 114682176. Its totient is φ = 95568460.

The previous prime is 105125299. The next prime is 105125333. The reversal of 105125317 is 713521501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105125317 - 211 = 105123269 is a prime.

It is a super-2 number, since 2×1051253172 = 22102664548700978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105125291 and 105125300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105125357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4778413 + ... + 4778434.

It is an arithmetic number, because the mean of its divisors is an integer number (28670544).

Almost surely, 2105125317 is an apocalyptic number.

It is an amenable number.

105125317 is a deficient number, since it is larger than the sum of its proper divisors (9556859).

105125317 is an equidigital number, since it uses as much as digits as its factorization.

105125317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9556858.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 105125317 is about 10253.0637860105. The cubic root of 105125317 is about 471.9570082575.

Adding to 105125317 its reverse (713521501), we get a palindrome (818646818).

The spelling of 105125317 in words is "one hundred five million, one hundred twenty-five thousand, three hundred seventeen".

Divisors: 1 11 9556847 105125317