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105124425 = 3527200237
BaseRepresentation
bin1100100010000…
…01001001001001
321022210212121020
412101001021021
5203402440200
614233103053
72414354130
oct621011111
9238725536
10105124425
115438159a
122b257a89
1318a19103
14dd66917
159367ea0
hex6441249

105124425 has 24 divisors (see below), whose sum is σ = 198636096. Its totient is φ = 48056640.

The previous prime is 105124403. The next prime is 105124427. The reversal of 105124425 is 524421501.

It is not a de Polignac number, because 105124425 - 27 = 105124297 is a prime.

It is a super-2 number, since 2×1051244252 = 22102289463161250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105124395 and 105124404.

It is not an unprimeable number, because it can be changed into a prime (105124427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99594 + ... + 100643.

It is an arithmetic number, because the mean of its divisors is an integer number (8276504).

Almost surely, 2105124425 is an apocalyptic number.

105124425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105124425 is a deficient number, since it is larger than the sum of its proper divisors (93511671).

105124425 is a wasteful number, since it uses less digits than its factorization.

105124425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200257 (or 200252 counting only the distinct ones).

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

The square root of 105124425 is about 10253.0202867253. The cubic root of 105124425 is about 471.9556733845.

Adding to 105124425 its reverse (524421501), we get a palindrome (629545926).

The spelling of 105124425 in words is "one hundred five million, one hundred twenty-four thousand, four hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 200237 600711 1001185 1401659 3003555 4204977 5005925 7008295 15017775 21024885 35041475 105124425